KR20080028404A - Non-freezing chamber - Google Patents

Abstract

A non-freezing chamber is provided to maintain a non-freezing state of an object by spacing an electrode from a containing space. A non-freezing chamber comprises an insulation member, electrodes(50a,50b), and a cooling member. The insulation member is formed by performing a rounding treatment on a containing space(A). The containing space contains an object. The electrode is installed at a side of the insulation member to form an electric field in the containing space. The cooling member cools the containing space and keeps the object in a non-freezing state below the temperature of phase transition. A portion of the containing space, which faces an end of the electrode, is subject to a rounding treatment.

Description

Freeze Storage {NON-FREEZING CHAMBER}

The present invention relates to storage, and more particularly to a freezing storage for maintaining a freezing state.

BACKGROUND ART Conventionally, an electrostatic field atmosphere is created in a refrigerator, and thawing of meat and fish in the refrigerator is performed at a negative temperature. In addition to meat and fish, freshness of fruits is maintained.

This technique uses a supercooling phenomenon, which refers to a phenomenon in which the melt or solid does not change even when the melt or solid is cooled to below the phase transition temperature at equilibrium.

Such a technique includes the electrostatic field treatment method, the electrostatic field treatment device, and electrodes used in them.

1 is a view showing an embodiment of a thawing and freshness holding device according to the prior art, wherein the cold storage 1 is constituted by a heat insulator 2 and an outer wall 5, and the internal temperature control mechanism (not shown). Is installed. The metal shelf 7 installed in the interior of the storehouse has a two-stage structure, and on each stage, objects for thawing or freshness maintenance and ripening of vegetables, meat and fish are mounted. The metal shelf 7 is insulated from the bottom of the furnace by the insulator 9. The high voltage generator 3 can generate direct current and alternating voltage up to 0 to 5000 V, and the inside of the heat insulating material 2 is covered with an insulating plate 2a such as vinyl chloride. The high voltage cable 4 for outputting the voltage of the high voltage generator 3 is connected to the metal shelf 7 through the outer wall 5 and the heat insulator 2.

When the door 6 provided on the front side of the cold storage 1 is opened, the safety switch 13 (refer FIG. 2) which is not shown in figure is turned off, and the output of the high voltage generator 3 is interrupted | blocked.

2 is a circuit diagram showing the circuit configuration of the high voltage generator 3. AC 100V is supplied to the primary side of the voltage regulating transformer 15. Reference numeral 11 denotes a power supply lamp, and reference numeral 19 denotes a lamp indicating an operating state. The relay 14 operates when the above-mentioned door 6 is closed and the safety switch 13 is turned on. This state is indicated by the relay operation lamp 12. The relay contact ( 14a, 14b, and 14c are closed, and an AC 100V power source is applied to the primary side of the voltage regulating transformer 15.

The applied voltage is adjusted by the adjusting knob 15a on the secondary side of the voltage adjusting transformer 15, and the adjusted voltage value is displayed on the voltmeter. The adjusting knob 15a is connected to the primary side of the secondary boosting transformer 17 of the voltage adjusting transformer 15. In this boosting transformer 17, the boosting voltage is boosted at a ratio of 1:50, for example. When a voltage of 60V is applied, it is stepped up to 3000V.

_One end O ₁ of the secondary output of the boosting transformer 17 is connected to the metal shelf 7 insulated from the cold storage via the high voltage cable 4, and the other end O _{2 of the} output is earthed. Moreover, since the outer wall 5 is earthed, even if the user of the cold storage 1 contacts the outer wall of the cold storage, there is no electric shock. In addition, if the metal shelf 7 is exposed in the furnace in FIG. 1, since the metal shelf 7 needs to be kept insulated in the furnace, it is necessary to separate it from the walls of the furnace (the air insulates). . In addition, when the object 8 protrudes from the metal shelf 7 and contacts the inner wall, current flows to the ground through the high wall. Therefore, when the insulating plate 2a is attached to the inner wall, the drop of applied voltage is prevented. And even if the said metal shelf 7 is coat | covered with vinyl chloride material etc. without exposing in the inside, the whole inside becomes an electric field atmosphere.

First, the cold storage 1 according to the prior art controls only the magnitude of the voltage applied to the metal shelf 7 so that the supercooling is performed on the food, and by such adjustment, supercooling is caused even at -5 ° C. It prevents freezing.

This prior art is merely a technique for creating a non-freezing state using a supercooling phenomenon, and does not describe any matters regarding the arrangement structure, shape, and control between the electrode and the storage space for maintaining the non-freezing state. .

In order to solve this problem, an object of the present invention is to provide a non-freezing storage to continuously maintain a freezing state by the arrangement structure between the electrode and the storage space.

In addition, an object of the present invention is to provide a freezing storage that stably maintains a freezing state due to the shape of the electrode and the shape of the storage space.

In addition, an object of the present invention is to provide a freezing storage for efficiently maintaining a freezing state by controlling an electrode portion formed of a plurality of pairs.

The non-freezing storage of the present invention includes an insulating member having a reservoir in which an object is stored, an electrode mounted on the insulating member side, and a spacer member spaced apart from the edge of the electrode by a predetermined distance from the edge of the electrode. It is made.

At this time, the spacer is preferably an inner portion of the insulating member spaced apart the reservoir by the distance.

In addition, the spacer is preferably a support for supporting the spaced apart the object by the distance.

In addition, the spacer is located in the reservoir, it is preferable to be a bath spaced apart by the distance is fixed to the insulating member, the support member to the insulating member.

In addition, the side of the bath is preferably spaced apart from the insulating member.

In addition, the inner surface of the insulating member is preferably a hydrophobic material.

In addition, the spacer is preferably a drawer for the drawer is installed in the storage of the insulating member to be pulled out drawer, the storage space spaced apart by the distance.

In addition, the insulating member is preferably equipped with a cold air duct for sucking or discharging cold air by the freezing cycle.

In addition, the non-freezing storage of the present invention comprises an insulating member formed by rounding a receiving space in which an object is stored, and at least one electrode mounted on the insulating member side.

In addition, the non-freezing storage of the present invention consists of a storage space for receiving the interior therein, at least two pairs of electrode portions symmetrically formed in the storage space, and a control unit for sequentially applying a voltage to the electrode.

In addition, the non-freezing storage of the present invention is composed of an insulating member having a reservoir for receiving an enclosure therein, and an electrode inserted into the reservoir.

The present invention of such a configuration has the effect of forming a freezing state by the arrangement structure between the electrode and the storage space and maintain the stable stably.

In addition, the present invention has the effect of quickly stabilizing the non-freezing state by the shape of the electrode and the shape of the storage space.

In addition, the present invention has the effect of maintaining a stable freezing state by the application and cooling of a uniform electric field.

In addition, the present invention has the effect of keeping the freezing state stably by preventing the shaking of the object against the external force.

In addition, the present invention has the effect of reducing the power consumption while efficiently maintaining a freezing state by controlling the electrode portion formed of a plurality of pairs.

In the following, the invention is explained in detail on the basis of the embodiments of the invention and the accompanying drawings. However, the scope of the present invention is not limited by the following embodiments and drawings, and the scope of the present invention will be limited only by the contents described in the claims below.

3 is a block diagram of a freezing refrigerator according to the present invention, Figures 4a and 4b are embodiments of the freezing refrigerator according to the present invention.

The non-freezing refrigerator 100 includes a load sensing unit 20 for detecting a state of the storage spaces A and B, a state of an object (not shown) stored in the storage spaces A and B, and a storage space ( A refrigeration cycle 30 for cooling A and B, a voltage generator 40 for generating a voltage to apply an electric field in the storage spaces A and B, and an electrode part for generating the electric field by applying the generated voltage. 50, a door detection unit 60 for detecting opening / closing of the door 120, an input unit 70 for receiving a degree of cooling, a freezing mode from the user, and a freezing refrigerator 100. The display unit 80 for displaying the operation state of the) and the microcomputer 90 performing the freezing mode using the supercooling phenomenon while performing the freezing or refrigerating control of the freezing freezer 100. However, although a power supply unit (not shown) for supplying power to the above-described elements is naturally provided, such a power supply is a technology clearly recognized by those skilled in the art to which the present invention pertains, and thus description thereof is omitted.

In detail, the load detector 20 detects or stores the state of the storage spaces A and B, and the state of the storage items stored in the storage spaces A and B, and informs the microcomputer 90 of the storage spaces. The load detector 20 stores information about the volume of the storage spaces A and B in the state of the storage spaces A and B, or senses the temperature of the storage spaces A or B. It may be a thermometer or a hardness meter, an ammeter or a voltmeter or a weight meter or an optical sensor (or a laser sensor) or a pressure sensor for checking whether the object is accommodated in the storage spaces A and B. In particular, the load sensing unit 20 may be an ammeter or a voltmeter, and when the storage spaces (A, B) are empty, and when there is an enclosure, the overall resistance value of the resistor through which the electric field flows is changed. Depending on the value, it can be checked whether or not it is stored. In addition, the microcomputer 90 may check the amount of the object and the water content of the object according to the resistance value from the load sensing unit 20, thereby identifying the kind of the object having the identified water content.

Next, the refrigeration cycle 30 is divided into inter-cooling and direct cooling according to the method for cooling the stored object. The embodiment of FIG. 4A is an intercooled, non-freezer refrigerator, and the embodiment of FIG. 4B is a direct-cooled, non-freezer refrigerator, and is described in detail below.

In addition, the voltage generator 40 generates an AC voltage according to a predetermined size and frequency. The voltage generator 40 may generate at least one of a magnitude of a voltage and a frequency of the voltage to generate an AC voltage. In particular, the voltage generator 40 applies an AC voltage corresponding to the set value (voltage magnitude, voltage frequency, etc.) from the microcomputer 90 to the electrode unit 50, and thus the electric field is stored in the storage space (A). , B). The voltage generator 40 in the present invention can vary the magnitude of the voltage within the range of 500V ~ 15kV by varying the frequency. In addition, the voltage generator 40 sets the frequency of the voltage in a high frequency range of 1 to 500 kHz.

The electrode unit 50 is a means for converting an alternating voltage from the voltage generating unit 40 into an electric field and applying it to the storage spaces A and B. The electrode unit 50 is usually made of a plate or conductive wire made of a material such as copper or platinum.

Since the electric field applied to the storage spaces A and B or the object by the electrode unit 50 is due to a high frequency AC voltage, the polarity thereof changes with frequency. Due to this electric field, water molecules composed of oxygen (O) with negative polarity and hydrogen (H) with positive polarity are continuously vibrated, rotated, and translated. The liquid phase is maintained even at a temperature below the phase transition temperature.

The door detection unit 60 stops the operation of the voltage generator 40 according to the opening of the door 120 that opens and closes the storage spaces A and B. The door detection unit 60 notifies the microcomputer 90 of the opening of the door 120. ) May perform the stop operation, or may be stopped by shorting the power applied to the voltage generator 40.

Input unit 70, in addition to the temperature setting for the general refrigeration and refrigeration control, the selection of the service type (flake ice, water, etc.) of the dispenser, the user selects to perform the freezing mode for the storage space (A, B) or the object This is the means by which you can enter. In addition, the user may input the package information such as the type of package through the input unit 70. The input unit 70 may be a bar code reader or an RFID reader, and may provide the microcomputer 90 with the information of the contents of the reading. In addition, the input unit 70 allows a user to input or select a non-freezing temperature (temperature at which the non-freezing state is maintained), which is a freezing degree of the storage spaces A and B or the stored object.

The display unit 80 may basically perform a freezing and refrigerating temperature display, a service type display of the dispenser, and may display that a freezing mode is currently being performed.

The microcomputer 90 performs basic refrigeration and freezing control, and allows the freezing mode according to the present invention to be performed.

When the microcomputer 90 maintains the storage spaces A and B or the free storage, the microcomputer 90 stores the relationship information between the amount of energy to be applied to the storage spaces A and B or the storage and the freezing temperature. Doing. Accordingly, the microcomputer 90 may control the setting and application of the amount of energy according to the freezing temperature or the calculation of the amount of energy and the calculation of the freezing temperature accordingly. The amount of energy here may be a variety of energy sources, the present invention uses the electric field energy.

In addition, the microcomputer 90 controls the operation of the non-freezing operation unit consisting of the voltage generator 40 and the electrode unit 50, and at the same time also controls the cooling action by the freezing cycle 30, the freezing freezer While reducing the power consumption of the 100, the control to efficiently maintain the freezing mode is also performed.

4A and 4B illustrate embodiments of a freezing refrigerator according to the present invention. Figure 4a is a cross-sectional view of the non-cooling refrigerator freezer, Figure 4b is a cross-sectional view of the direct-cooling non-freezer refrigerator.

The non-cold freezer of one side has an opening on one side and forms a storage space A therein, and a case 110 having a shelf 130 which partially divides the storage space A, and an open one surface of the case 110. The door 120 is opened and closed. The refrigeration cycle 30 of the intercooled freezer refrigerator includes a compressor 32 for compressing a refrigerant, an evaporator 33 for generating cold air (indicated by an arrow) for cooling the storage space A or the stored object, and A fan 34 forcing the cold air to flow, an inlet duct 36 for introducing cold air into the storage space A, and a discharge duct 38 for guiding the cold air passing through the storage space A to the evaporator 33. Is made of. In addition, the freezing cycle 30 may include a condenser, a dryer, an expansion device, and the like, which are not shown.

Electrode portions 50a and 50b are formed between the inner surfaces 112a and 112c facing the storage space A and the outer surface of the case 110, and each of the electrode portions 50a and 50b faces the storage space A. It is formed, so that the electric field can be applied to the entire storage space (A). In addition, the storage space A is spaced apart from the ends of the electrode portions 50a and 50b inwardly or in the center direction of the electrode portions 50a and 50b by a predetermined interval so that a uniform electric field is stored in the storage space A or the storage space. Allow to be applied to water.

In addition, the inlet duct 36 and the discharge duct 38 described above are formed on the inner surface 112b of the case 110. In addition, the surface of the inner surface (112a, 112b, 112c) of the case 110 is made of a hydrophobic material, so that the surface tension of water, such as water is reduced to prevent freezing during the non-freezing mode. Of course, the outer surface and the inner surface (112a, 112b, 112c) of the case 110 is made of an insulating material, so that the user is not electric shock from the electrode portions (50a, 50b) and at the same time the objects are inner surface (112a, 112b, The electrical contact with the electrode portions 50a and 50b through the 112c is prevented.

Next, the case 110, the door 120, and the shelf 130 of the direct-cooling non-freezing refrigerator of FIG. 4B are the same as the intercooling-freezing refrigerator of FIG. 4A, and the inner surfaces 114a, 114b, and 114c of the case 110. Compared with the case 112a, 112b, 112c, it is the same except for the inflow duct 36 and the discharge duct 38. FIG.

The freezing cycle 30 of the direct freezing freezing refrigerator of FIG. 4B is installed in the case 110 adjacent to the compressor 32 compressing the refrigerant and the inner surfaces 114a, 114b, 114c around the storage space B. It consists of an evaporator 39 which evaporates the refrigerant. However, the direct-cooling refrigeration cycle 30 is configured to include a condenser (not shown) and expansion valve (not shown).

In particular, the electrode portions 50c and 50d are inserted between the evaporator 39 and the case 110 to prevent the cold air from being blocked by the evaporator 39.

5a and 5b are graphs illustrating the supercooling phenomenon in the freezing refrigerator according to the present invention.

FIG. 5A is a diagram of experimental structures and conditions for FIG. 5B. As shown, a storage space S1 is formed in the case 110 ', 0.1 liter of distilled water is contained in the storage space S1, and the electrodes 50e and 50f are symmetrical toward the storage space S1. It is inserted into the side wall of the casing 110 'so as to be positioned. In addition, the electrode surfaces of the electrodes 50e and 50f facing the storage space S1 are formed wider than the surface of the storage space S1. The interval between these electrodes 50e and 50f is 20 mm. The case 110 'is made of an acrylic material, and the case 110' is stored in a storage space (a refrigerating device which is a space without an additional electric field generating device other than the electrodes 50e and 50f) where cold air is uniformly supplied and cooled. do.

At this time, the microcomputer 90 is a case where the voltage generator 40 applies 0.91 kV (6.76 mA) and an AC voltage of 20 kHz to the electrode unit 50, the temperature of the storage space is about -7 ℃. 5b shows that the freezing freezer 100 according to the present invention has a supercooling even at about -6.5 ° C. which is below a phase transition temperature, thus maintaining a freezing state of water.

6a to 6d are arrangement embodiments between the electrode and the storage space of the freezing storage according to the present invention. 6A to 6D, since the electric field is not uniformly generated at the end of the electrode, the storage spaces A and B are spaced apart from the end of the electrode by a predetermined distance, so that the relatively uniform electric field is stored in the storage space A, To reach B) to keep the freezing stably.

As shown in FIG. 6A, the non-freezing storage includes a case 111 formed therein and made of an insulating material, and opens and closes one open side of the case 111 and is inserted into the compartment S1. A cover 121 having an insertion portion 121a formed thereon and electrodes 51a and 51b formed to be inserted into the sidewall of the case 111 while facing the storage space S1 are provided. An inner bottom surface of the case 111 is formed to be higher than a end of the electrodes 51a and 51b so that the lower portion of the storage space S1 is spaced apart from the ends of the electrodes 51a and 51b by a distance. The insertion portion 121a of the lid 121 is inserted into the storage space S1 by b so that the upper portion of the S1 is spaced apart from the ends of the electrodes 51a and 51b. The cooling structure in the freezing storage of FIG. 6A may be applied in the same manner as in FIGS. 4A and 4B, but the illustration of the drawing is omitted.

In the case of FIG. 6B, the ends of the electrodes 52a and 52b in the case 112 are at the same height as the bottom surface of the storage space S2, but are supported by the support part 142 and the support part 141 on which the objects are placed. Since the pedestal 140 having a height as much as a is inserted into the bottom of the storage space S2, when the actual package is received, the package is spaced apart from the electrodes 52a and 52b by a. An upper portion of the storage space S2 is the same as that of FIG. 6A. That is, the cover 122 has the same structure as the cover 121 of FIG. 6A. The cooling structure in the freezing storage of FIG. 6B may be applied in the same manner as in FIGS. 4A and 4B, but the illustration of the drawing is omitted.

In the case of FIG. 6C, the case 113, the electrodes 53a and 53b, and the lid 123 have the same structure as the case 112, the electrodes 53a and 53b and the lid 122 of FIG. 6B. The difference is the structure in which the inner case 150 (or the inner bath) in which the storage space S3, in which the actual object is stored, is inserted in the storage space S4 of the case 113 (or the outer bath). The outer diameter (or width) of the inner case 150 is 2c smaller than the inner diameter (or width) of the case 112. The inner case 150 has a support part 151 and a bottom surface spaced apart from the electrodes 53a and 53b by a on a lower surface thereof, and a cover 152 that opens and closes the storage space S3 on an upper surface thereof. The cover 152 is inserted into the inner case 150 to form a protrusion 152a that prevents the cover 152 from swinging. Side portions of the inner case 150 are formed to be lower than the ends of the electrodes 53a and 53b to allow the storage space S3 to be spaced apart from the electrodes 53a and 53b by a.

In addition, the support 151 of the inner case 150 is fixed to the inner bottom of the case 113, the outer surface of the inner case 150 is fixed so as to be spaced apart from the inner surface of the case 113 by c. As such, the inner case 150 and the case 113 are spaced apart by a predetermined distance (c), so that cool air flows into the storage space S4 as shown in FIG. 4A, or at the inner side of the case 113 as shown in FIG. 4B. Even if it is generated, the storage space S3 is uniformly cooled to prevent sudden temperature changes, thereby stably maintaining the state of the stored object during the composition and maintenance of the freezing state. In addition, since the upper part of the inner case 150 is closed by the cover 152, the cool air is not directly introduced into the storage space S3, and cooling is performed by conduction, thereby further cooling the objects evenly. Can be.

The drawer structure of FIG. 6D is configured such that the inner case 150 of FIG. 6C is not fixedly mounted to the case 113, but is drawable out of the case 113.

The freezing storage of FIG. 6D has a storage space S5 formed therein, a case 114 having an open front side, and a drawer 160 that can be pulled out to the front side of the case 114. An electrode (not shown) is inserted into the side surfaces 114a and 114b of the case 114 facing the side portions 160a and 160b of the drawer 160. In addition, the upper side of the case 114 is provided with a cold air inlet duct 36a through which cold air flows, and a cold air discharge duct 38a through which cold heat exchanged heat is discharged.

The drawer 160 is formed in the shape of a rectangular box having an open upper portion, and consists of a front end portion 162 having a predetermined thickness in front of the storage space (S6). The side portions 160a and 160b of the drawer 160 are formed with a pair of channel portions 161a having a “c” shape in the transverse direction, and corresponding to the inner sidewalls 114a and 114b of the case 114. A rail portion 170a is inserted in the channel portion 161a so as to allow the drawer 20 to slide in the front-rear direction. By combining the channel portion 161a and the rail portion 170a, the storage space S6 may be spaced apart from the electrode by a predetermined distance, and also a predetermined distance from the sidewalls 114a and 114b of the case 114. Spaced apart by, have the same effect as in FIG.

7a to 7d is a conceptual diagram of the round processing of the storage space of the freezing storage according to the present invention.

In the case of FIG. 7A, end portions of the electrodes 54a to 54d correspond to edge portions of the storage space S7. In this arrangement, the edge portion of the storage space S7 and the electric field applied to the portion therein are not relatively uniform. Furthermore, during cooling, the cooling is concentrated in this corner portion (especially when a liquid such as water is stored), so that the difference between the temperature of the corner portion and the temperature inside the storage space S7 becomes large. When mixing of the enclosure such as convection occurs, the non-freezing state becomes unstable, in which case, nuclei are generated in the water molecules of the enclosure and can be frozen by breaking the supercooling.

In the case of FIG. 7B, the structure and arrangement of the electrodes 54a to 54d are the same as those of FIG. 7A, but the storage space S7 ′ has a structure in which all corners are rounded. By this rounding process, the rounded portion of the storage space S7 'is spaced apart from the ends of each of the electrodes 54a to 54d by a constant distance, and a uniform electric field is applied, even when cooled, than in the case of FIG. 7A. The more uniform cooling is achieved, which stabilizes the freezing condition.

In the case of FIG. 7C, when the storage space S8 is cylindrical, and water or liquid is filled therein, the water or liquid becomes higher than the water surface at the side of the storage space S8 due to the cohesive force at the portion shown by the dotted line. The cooling by the cold air proceeds faster than the inside, and the cooling degree of water or liquid is not uniform. This non-uniform cooling makes the freezing state unstable.

In the case of FIG. 7D, the storage space S8 of FIG. 7C is rounded to form a rectangular storage space S8 ′. In this case, the water or the liquid in the storage space S8 'does not rise higher than the water surface by the cohesive force as in the case of FIG. 7C, and uniform cooling may be performed for the entire storage space S8'.

8A through 8C illustrate embodiments in which the storage spaces of FIGS. 6A through 6C are rounded. In the case of FIG. 8A, the inner bottom and side surfaces of the case 111a are rounded so that the storage space S1 ′ has a round shape. In the case of FIG. 8B, both ends of the supporting part 141a of the pedestal 140a are rounded so that the storage space S2 ′ has a round shape, and in FIG. 8C, the inner bottom of the inner case 150a and The side is rounded so that the storage space S3 ′ has a round shape.

9A and 9B illustrate embodiments in which electrodes and a storage space are rounded.

In the case of FIG. 9A, six electrodes 55a to 55f are arranged to face the hexagonal columnar storage space S9. In this case, nonuniformity in electric field strength and nonuniformity in cooling occur at the corners of the storage space S9, and the freezing state is unstable.

In the case of FIG. 9B, first, the inner storage space S9 ′ is rounded to have a circular shape, and the electrodes 56a to 56h are also rounded, so that the storage spaces S at all portions with respect to the outer surface of the storage space S9 ′. S9 ') is maintained at a constant distance to solve the unstable state of Figure 9a.

10a to 10c is an embodiment of the electrode provided in the freezing storage according to the present invention. In the present embodiment, the electrode line 57 is inserted into the case 116.

As shown in FIGS. 10A and 10B, the case 116 has a storage space S10 therein, and the electrode wires 57 penetrate the interior of the storage space S10 several times, thereby providing an electric field through the electrode lines 57. The storage space (S10) can be uniformly applied inside. As shown in FIG. 10C, the electrode line 57 is formed of a conductive line 57a therein and an insulating material 57b covering the conductive line 57a. In addition, the outer surface of the case 116 is connected to the ground.

11 is another embodiment of the electrode provided in the freezing storage of the present invention. The electrode 58 illustrated in FIG. 11 is inserted into the case 116 of FIG. 10A to apply an electric field. The electrode 58 has a three-dimensional shape in which the hexagonal columnar space S11 is formed, so that water or liquid rises into the hexagonal columnar space S11 to receive an electric field. The hexagonal column space S11 applies a uniform electric field to the object, and even though a force is applied to the case 116 by an external force or the like, the internal object is inside the hexagonal column space S11, so it shakes like a slack. This reduces the number, thereby making it possible to stably maintain the freezing state of the objects.

12 is another embodiment of the electrode provided in the freezing storage of the present invention. As shown in FIG. 12, the freezing storage is inserted into the hexahedral case 117 having the storage space S12 formed therein and inside each surface of the case 117, but symmetrically toward the center of the storage space S12. The electrodes 59a to 59f arranged in a row are provided. The electrodes 59a, 59b, 59c, 59d, and 59e, 59f are arranged to be paired with each other, and the voltage generator 40 includes these first electrode pairs 59a, 59b and the second electrode pair ( 59c and 59d and the third electrode pair 59e and 59f are sequentially applied with a voltage for a predetermined time to change the direction of the electric field in the storage space S12, thereby activating the movement of the water molecules in the enclosure. Allows the freezing to stabilize at lower temperatures.

In addition, the microcomputer 90 controls the voltage generator 40 to sequentially apply voltages to the electrode pairs 59a, 59b, 59c, 59d, and 59e, 59f. You can set the OFF section that does not supply voltage. For example, when all the electrode pairs 59a, 59b, 59c, 59d, 59e, 59f are in an OFF state, the first electrode pair 59a, 59b is first turned on, and after a predetermined time, The first electrode pairs 59a and 59b return to the OFF state, and after a predetermined time, the second electrode pairs 59c and 59d are turned on, and after a predetermined time, the second electrode pairs 59c and 59d are turned off. The voltage control may proceed in a way to return to the state. Thereby, power consumption can be reduced by allowing the movement of water molecules by one electrode pair to some extent.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows embodiment of the thawing and freshness holding | maintenance apparatus by a prior art.

FIG. 2 is a circuit diagram showing the circuit configuration of the high voltage generator 3 of FIG.

3 is a block diagram of a freezing storage according to the present invention.

4a and 4b are embodiments of the freezing storage according to the present invention.

5a and 5b are graphs of the supercooling phenomenon in the freezing storage according to the present invention.

6a to 6d are arrangement embodiments between the electrode and the storage space of the freezing storage according to the present invention.

7a to 7d is a conceptual diagram of the round processing of the storage space of the freezing storage according to the present invention.

8A through 8C illustrate embodiments in which the storage spaces of FIGS. 6A through 6C are rounded.

9A and 9B illustrate embodiments in which electrodes and a storage space are rounded.

10a to 10c is an embodiment of the electrode provided in the freezing storage according to the present invention.

11 is another embodiment of the electrode provided in the freezing storage of the present invention.

12 is another embodiment of the electrode provided in the freezing storage of the present invention.

Claims (9)

An insulating member formed by rounding a receiving space in which an object is stored; At least one electrode mounted on the insulation member to form an electric field in the storage space; Comprising a cooling means for cooling the storage space, the non-freezing storage, characterized in that to store the storage in the freezing state below the phase transition temperature of the storage. The freezing storage according to claim 1, wherein the storage space facing the end of the electrode is rounded. The freezing storage of claim 1, wherein the freezing storage includes a bath supporting and mounted in the insulating member and spaced apart from a side surface of the insulating member to form the storage space. The freezing storage of claim 1, wherein the storage space is surrounded by a hydrophobic material. The freezing storage of claim 1 wherein the electrode is rounded. An accommodating space accommodating an object therein; Cooling means for cooling the storage space; At least two pairs of electrode portions symmetrically formed in the storage space; Consists of a control unit for sequentially applying a voltage to the electrode unit, characterized in that the storage is stored in a freezing state below the phase transition temperature. 7. The freezing storage of claim 6, wherein the control unit applies the voltage at predetermined time intervals. 7. The freezing storage according to claim 6, wherein the storage space facing the end of the electrode portion is rounded. 9. The freezing storage according to claim 8, wherein the electrode part is rounded.

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