KR101946168B1 - Electric Deicing Boots - Google Patents

Abstract

The present invention relates to electric de-icing boots, comprising: a base plate installed at an upper part of a structure which needs to be de-iced; a coil base material installed at the upper part of the base plate, and provided to surround a coil; at least one excitation coil installed inside the coil base material, and which induces a magnetic field after being supplied with actuating power; a magneto rheology elastomer installed at an upper part of the coil base material, and deformed by the heat radiated from the excitation coil; and a power control unit installed at the excitation coil, and provided to supply power to the excitation coil.

Description

Electric Deicing Boots

The present invention relates to an electric ice-making boot, and more particularly, to an electric ice-making boot which is provided with a coil in a magnetorheological elastomer and deforms a magnetorheological elastomer by applying a current, It is about boots.

Generally, there are various problems such as reduction of energy efficiency and safety threat of equipment due to snowboarding on the surfaces of various facilities such as railroad cars, airplanes, and wind turbine blades in winter. In order to solve such problems, Is progressing actively.

Examples of conventional ice-making techniques include shape designing technology, material characteristic technology, ice-making boots, electrothermal technology, and chemical processing technology, and the respective technologies will be described below.

It is difficult to apply the design to the existing structure, and it is difficult to apply the design for preventing establishment without harming the characteristics suitable for the original use. . The material technology is a method of applying various materials for preventing construction such as super water-repellent surface and anti-icing paint to the structure, and there is a problem that the continuous effect is not prolonged and it is required to be applied repeatedly periodically. The ice-making boots are a method in which a rubber material having elasticity is further attached to the structure to remove the snowmobile by using the deformation of the rubber material generated by blowing air into the structure, or an air compressor and a boat / There is a problem of durability such as the necessity and deterioration of the rubber material. Electric heating technology has a problem that electric power is consumed by a method of supplying momentary electric shock or continuous electric heat using electric wires arranged in a structure. The chemical technology is a method of directly spraying a chemical for dissolving a snowboard formed on a structure on a structure, and there is a problem of human harm and environmental pollution due to the toxicity of the material, and there is a problem that it is required to be repeatedly injected periodically. Piezoelectric device technology has a disadvantage in that additional structures must be installed to use vibration, and when a direct force is applied to a piezoelectric element, the piezoelectric element is exposed to moisture, which causes rapid corrosion of electrodes and destruction of piezoelectric characteristics.

PCT Published Patent WO 2012/051717 Korean Patent Publication No. 10-2009-0024171

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above problems, and it is an object of the present invention to provide a self-lapping elastic body in which a coil is provided and a current is applied to deform the self- The present invention provides an electric ice-making boots which is constructed so as to prevent snowing.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the precise form disclosed. It can be understood.

According to an aspect of the present invention, there is provided a refrigerator comprising: a base plate installed on an upper portion of a structure requiring ice making; A coil base material installed on an upper portion of the base plate; At least one exciting coil installed in the base of the coil and inducing a magnetic field by receiving driving power; A magnetorheological elastomer disposed on an upper portion of the coil base and deformed by a magnetic field induced in the excitation coil; And a power supply controller installed in the coil for supplying driving power to the coil.

Further, in one embodiment, the exciting coil includes a first exciting coil row group and a second exciting coil row group arranged so as to cross each other by a plurality of such that the first exciting coil and the second exciting coil, which are adjacent to each other, And a second exciting coil row group disposed adjacent to each other by a plurality of such that the adjacent third exciting coil and the fourth exciting coil form one row, the first exciting coil group and the second exciting coil row in the first exciting coil row group Wherein the third exciting coil of the first exciting coil row group and the fourth exciting coil of the second exciting coil row group are disposed adjacent to each other.

In one embodiment, the power source control unit applies driving power of different phase difference to each of the first exciting coil, the second exciting coil, the third exciting coil, and the fourth exciting coil.

Further, in one embodiment, when the exciting coil is formed of a plurality of exciting coils, the exciting coil receives the driving power and has an operating period at a predetermined time.

Further, in one embodiment, the excitation coil is formed in the form of a pancake coil for lowering the height.

According to another aspect of the present invention, there is provided a refrigerator comprising: a base plate installed on an upper portion of a structure requiring ice making; A magnetorheological elastomer provided on the base plate and deformed by a magnetic field; At least one exciting coil inserted in the magnetorheological elastomer body and adapted to induce a magnetic field to receive the driving power to deform the magnetorheological elastomer; And a power supply controller installed in the coil for supplying driving power to the coil.

Further, in one embodiment, the excitation coil is formed in the form of a pancake coil for lowering the height.

Further, in one embodiment, when the exciting coil is formed of a plurality of exciting coils, the exciting coil receives the driving power and has an operating period at a predetermined time.

Further, in one embodiment, the exciting coil includes a first exciting coil row group arranged so as to cross a plurality of the first exciting coil and the second exciting coil adjacent to each other to form a row, when the exciting coil is formed of a plurality of units; And a second exciting coil row group arranged to cross a plurality of the third exciting coil groups and the fourth exciting coil groups adjacent to each other to form a row, wherein the first exciting coil group and the second exciting coil group of the first exciting coil row group, The third exciting coil of the excited coil row group is adjacent to each other and the second exciting coil of the first exciting coil row group and the fourth exciting coil of the second exciting coil row group are disposed adjacent to each other.

In one embodiment, the power source control unit applies driving power of different phase difference to each of the first exciting coil, the second exciting coil, the third exciting coil, and the fourth exciting coil.

According to one embodiment of the present invention, by providing the electric ice-making boots, the magnetorheic elastomer located at the interface of the expected formation site or the snow formation site can be modified to prevent the snow formation or to remove the snow cover.

In addition, while using the excellent ice making performance of the inflatable rubber boots using the conventional air pressure, it is possible to easily and efficiently construct electricity using electricity without using a pneumatic chamber or the like.

In addition, it can be easily attached to the surface of a complex shape using the characteristics of the rubber material.

In addition, since the ice making is performed by instantaneous power generation without continuous current application compared with the conventional electric heating type, power consumption is small and it is advantageously used semi-permanently after installation. In addition, the deicing effect can be obtained without changing the design of the existing member or the like.

It can also be used in a variety of areas where deicing is required in railway vehicles and in areas with high snowfall (for example, facilities such as communication facilities in the mountains, general buildings, and vinyl houses).

Based on overseas R & D cases, it can be applied to structures exposed to low temperature environments such as wind power generators, aircraft, ships, automobiles, transportation and transportation infrastructure.

It should be understood, however, that the effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned may be clearly understood by those skilled in the art from the following description It will be possible.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description of the invention given below, serve to further understand the technical idea of the invention. And should not be construed as interpreted.
1A and 1B are sectional views showing a first embodiment of the present invention.
2 is a cross-sectional view showing a second embodiment of the present invention.
3 is a cross-sectional view showing a third embodiment of the present invention.
4 is a cross-sectional view showing a fourth embodiment of the present invention.
Figs. 5A and 5B are views showing the excitation coil shown in Figs. 1 to 4 in various embodiments.
6 is a view showing a method of arranging an excitation coil and a voltage applying method according to a fifth embodiment of the present invention.
7A is a cross-sectional view taken along the line AA 'in FIG.
And Fig. 7B is a cross-sectional view in the BB 'direction in Fig.
8 is a view illustrating a method of arranging an exciting coil and a voltage applying method according to a sixth embodiment of the present invention.
FIG. 9A is a cross-sectional view taken along line AA 'in FIG.
Fig. 9B is a cross-sectional view in the direction BB 'in Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. However, the description of the present invention is merely an example for structural or functional explanation, and the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the present invention should be understood to include equivalents capable of realizing technical ideas. Also, the purpose or effect of the present invention should not be construed as limiting the scope of the present invention, since it does not mean that a specific embodiment should include all or only such effect.

The meaning of the terms described in the present invention should be understood as follows.

The terms " first ", " second ", and the like are intended to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

It should be understood that the singular " include " or " have " are to be construed as including a stated feature, number, step, operation, component, It is to be understood that the combination is intended to specify that it does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used predefined terms should be interpreted to be consistent with the meanings in the context of the related art and can not be interpreted as having ideal or overly formal meaning unless explicitly defined in the present invention.

<Configuration according to the First Embodiment of the Present Invention>

FIGS. 1A and 1B are cross-sectional views showing a first embodiment of the present invention, and FIGS. 5A and 5B are views showing various embodiments of the excitation coil shown in FIGS. 1 to 4. FIG.

Referring to FIG. 1, an electric ice-making boot includes a base plate 100, a coil base 200, at least one exciting coil 300, a magnetorheological elastomer 400, and a power control unit 500.

The base plate 100 is installed on the upper part of the structure requiring ice making.

The coil base 200 is installed on the upper portion of the base plate 100 to cover the outside of the excitation coil 300.

The exciting coil 300 is installed inside the coil base 200 and receives a driving power from the power control unit 500 to induce a magnetic field in a space where the magnetorheic elastomer 400 is present. The excitation coil 300 is preferably formed in the form of a pancake coil to lower the height of the excitation coil 300 and a magnetic field in the vertical direction may be formed to induce compression in the vertical direction of the magnetophoretic elastomer 400 (See FIG. 5). Further, the excitation coil 300 may be formed of two or more layers for higher strain and the like.

The magnetorheic elastomer 400 is provided on the upper portion of the coil base 200 and deformed (i.e., compressed) by a magnetic field induced in the excitation coil 300. The magnetorheic elastomer (400) is a composite material containing carbon iron particles in a flexible material such as silicone or rubber, and has a property of compressing the material when a magnetic field is applied from the outside. The magnetorheic elastomer 400 may be formed in at least one row or row when it is formed in a large area and formed in a plurality of. In addition, the magnetorheic elastic body 400 disposed in the rows and columns may be variously specified in accordance with the area of the surface requiring ice-making in addition to the grid pattern arrangement such as a checkerboard.

The shape of the magnetorheic elastomer 400 may have various shapes depending on the use place such as a general rectangular shape, a circle, and the like. At this time, the waveform of the driving power supplied to the coil 300 in the power control unit 500 may have various waveforms such as a square wave or a triangle wave in addition to a sine wave.

The power control unit 500 is installed in the excitation coil 300 and supplies driving power to the excitation coil 300. The driving power supplied from the power control unit 500 is an AC power.

The electric ice-making boots having the above-described configuration can prevent the self-pliable elastic body 400 located at the anticipated part of the snowing 101 formation area or the formation area of the snowing area 101 from being damaged, 102 can be generated and removed.

In addition, while using the excellent ice making performance of the inflatable rubber boots using the conventional air pressure, the power supply control unit 500 can be used simply and efficiently without using a pneumatic chamber or the like.

In addition, since the ice making is performed by instantaneous power generation without continuous current application compared with the conventional electric heating type, power consumption is small and it can be used semi-permanently after the electric ice-making boots are installed. In addition, the deicing effect can be obtained without changing the design of the existing member or the like.

It can also be used in a variety of areas where deicing is required in railway vehicles and in areas with high snowfall (for example, facilities such as communication facilities in the mountains, general buildings, and vinyl houses).

Based on overseas R & D cases, it can be applied to structures exposed to low temperature environments such as wind power generators, aircraft, ships, automobiles, transportation and transportation infrastructure.

&Lt; Configuration according to the second embodiment of the present invention &

2 is a cross-sectional view showing a second embodiment of the present invention.

Referring to FIG. 2, the electric ice-making boot includes a base plate 100, at least one exciting coil 300, a magnetorheological elastomer 400, and a power control unit 500. The base plate 100, at least one excitation coil 300, the magnetorheic elastomer 400, and the power source control unit 500 will be described below with respect to components similar to those of FIG. 1, .

The magnetorheic elastomer 400 is provided on the top of the base plate 100 and deformed by a magnetic field.

The exciting coil 300 is inserted into the magnetorheic elastomer 400 (preferably inside the magnetorheic elastomer 400), and the magnetorheological elastomer 400 is deformed .

&Lt; Configuration according to the third embodiment of the present invention >

3 is a cross-sectional view showing a third embodiment of the present invention.

Referring to FIG. 3, the electric ice-making boot includes a base plate 100, a coil base 200, a plurality of exciting coils 300, a magnetorheological elastomer 400, and a power controller 500. The base plate 100, at least one excitation coil 300, the magnetorheic elastomer 400, and the power source control unit 500 will be described below with respect to components similar to those of FIG. 1, .

A plurality of exciting coils 300 are formed, and a power control unit 500 is installed in each of the exciting coils 300, and each of the exciting coils 300 can receive driving power. Thus, the excited coil 300 is turned on or off for each exciting coil 300, and a part of the magnetorheic elastomer 400 (that is, the exciting coil 300 in an on state) (401).

The excitation coil 300 may be formed in a plurality of units, and may have a period of operation at a constant time after receiving driving power.

The magnetorheic elastomer 400 may be transformed into the compressed state 401 by the magnetic field of the excitation coil 300 when the excitation coil 300 is supplied with the driving power.

In other words, when a part of the plurality of exciting coils 300 is supplied with driving power, the magnetorheic elastomer 400 of the portion where the exciting coil 300 is in the ON state is in a compressed state ( 401). The surface of the magnetorheic elastomer 400 can be formed in a partially compressed state 401 and the other part in an uncompressed balanced state (i.e., a bumpy state).

&Lt; Configuration according to the fourth embodiment of the present invention >

4 is a cross-sectional view showing a fourth embodiment of the present invention.

Referring to FIG. 4, the electric ice-making boot includes a base plate 100, a plurality of exciting coils 300, a magnetorheological elastomer 400, and a power controller 500. Here, the base plate 100, at least one excitation coil 300, the magnetorheic elastic body 400, and the power source control unit 500 will not be described below with respect to components similar to those of FIG. 2, .

The plurality of exciting coils 300 are formed in a plurality of excitation coils 300 so that the power control unit 500 is installed for each excitation coil 300 and the driving power is supplied from the power control unit 500. The coil 300 is turned on or off for each exciting coil 300 and a part of the magnetorheic elastic body 400 (that is, the excitation coil 300 of the on- The magnetorheic elastomer 400 positioned on the upper side can be compressed.

The magnetorheic elastomer 400 may be transformed into the compressed state 401 by the magnetic field of the excitation coil 300 when the excitation coil 300 is supplied with the driving power.

In other words, when a part of the plurality of exciting coils 300 is in a state of being supplied with driving power, the magnetic reluctance of the portion where the exciting coil 300 in the on state is located inside the magnetorheic elastomer 400 The elastic body 400 can be deformed into the compressed shape 401. The surface of the magnetorheic elastomer 400 may be formed in a partially compressed form 401 and the other part in an uncompressed balanced form (i.e., a rugged form).

&Lt; Operation of Embodiment &

1A and 1B are sectional views showing a first embodiment of the present invention. 1B is a state in which the electric power is not supplied to the coil 300 of the power supply control unit 500 and the driving power is supplied to the coil 300 of the power supply control unit 500 This is the state of the electric ice-making boots.

First, an electric ice-making boot is installed in a structure requiring ice-making (see FIG. 1A).

Then, the power supply control unit 500 can supply the driving power to the coil 300. The exciting coil 300 can be driven by a supplied driving power source to induce a magnetic field. Here, the excitation coil 300 may be formed as one.

The magnetorheic elastomer 400 may be compressed by the magnetic field induced in the excitation coil 300 to generate a crack 102 in the snow cover 101 surrounding the magnetorheological elastomer 400 (see FIG.

&Lt; Method and Arrangement of Exciting Coil According to Fifth Embodiment of the Present Invention >

6A and 6B are views showing a method of arranging an excitation coil and a voltage applying method according to a fifth embodiment of the present invention, wherein FIG. 7A is a sectional view taken along line AA 'in FIG. 6, Sectional view.

6, the electric ice-making boot includes a base plate 100, a plurality of exciting coils 300, a magnetorheological elastic body 400, and a power control unit 500. The exciting coil 300 includes a plurality of rows and And is formed by a plurality of rows. The exciting coil 300 includes a first exciting coil row group and a second exciting coil row group arranged adjacent to each other such that the first exciting coil 301 and the second exciting coil 302 are arranged in a row, And a second excitation coil row group arranged such that the coil 303 and the fourth excitation coil 304 cross one another by a plurality of rows.

Here, the first excitation coil 301 of the first excitation coil row group and the third excitation coil 303 of the second excitation coil row group are adjacent to each other, and the second excitation coil 302 of the first excitation coil row group, And the fourth exciting coil 304 of the second exciting coil row group may be disposed adjacent to each other.

The excited coil 300 can generate a magnetic field in the direction of the arrow shown in FIG. 7A by applying driving power.

The power control unit 500 may apply different driving power to the first excitation coil 301, the second excitation coil 302, the third excitation coil 303, and the fourth excitation coil 304. In other words, the power control unit 500 applies a driving power having a phase difference of 180 degrees to the excitation coil 300 adjacent to each other in the same row, and applies the driving power to the excitation coil 300 located on the diagonal line of the other row It is possible to apply a driving power having a phase difference of 90 degrees to each other.

Therefore, when the first driving power is applied to the first exciting coil 301 in the first exciting coil row group as shown in FIG. 6, the power control unit 500 controls the excitation coil 301 in the same row as the first exciting coil 301 The second driving power source having a phase difference of 180 degrees may be applied to the second excitation coil 302 so that the phases thereof are opposite to each other. In addition, when the third driving power is applied to the third exciting coil 303 in the second exciting coil row group, the fourth exciting coil 304 located in the same row as the third exciting coil 303 has a phase opposite A fourth driving power having a phase difference of 180 degrees can be applied. The first driving power to the fourth driving power supplied from the power control unit 500 are AC power.

Here, the first driving power source and the fourth driving power source, which are respectively applied to the first excitation coil 301 and the fourth excitation coil 304 located diagonally to each other, are located on diagonal lines of different rows, and thus have a phase difference of 90 degrees. The second driving power source and the third driving power source, which are respectively applied to the second excitation coil 302 and the third excitation coil 303 located diagonally to each other, are located at diagonal lines of different rows, and thus have a phase difference of 90 degrees.

At time t = t ₁ when each driving power source is applied to each of the excitation coils 300, a magnetic field emerging from the first excitation coil 301 in the direction perpendicular to the ground is directed perpendicularly to the second excitation coil 302 It can go in one direction and form a closed circuit path.

In addition, the time t = t ₂ 4 comes out from the coil with 304 enters the magnetic field coils 303 to form a closed circuit with a third route may be self-compressing the rheological elastomer 400.

Accordingly, the first excitation coil row group and the second excitation coil row group have an operation period at a constant time, and have a constant shape (preferably, a plurality of straight lines are arranged at regular intervals) 400 can be compressed.

Magnetorheological elastomer when 400 is so modified independent of the direction of the magnetic field depending on the intensity time t = t ₁ day, magnetorheological elastomers, located on top of the first coil 301 and second coil 302 with with ( 400 can be compressed.

The magnetorheic elastomer 400 positioned at the upper portion of the first and second excitation coils 301 and 302 and the magnetorheic elastomer 400 positioned at the upper portions of the third and fourth excitation coils 303 and 304 periodically alternate It is possible to perform an ice-making function of breaking and peeling the snow cover 101 (i.e., ice) formed on the upper portion of the magnetorheic elastomer 400 by compressing.

Therefore, as shown in FIG. 7A, the first and second exciting coils 301 and 302 form a magnetic field, and the third and fourth exciting coils 303 and 304 are not excited and do not form a magnetic field.

7B, the first excitation coil 301 forms a magnetic field, and the third excitation coil 303 does not form a magnetic field.

<Method and Arrangement of Exciting Coil According to Sixth Embodiment of the Present Invention>

FIG. 8 is a view showing a method of arranging a coil and a voltage applying method according to a sixth embodiment of the present invention. FIG. 9A is a sectional view taken along line AA 'in FIG. 8, to be. Here, the arrangement of the excitation coil 300 will not be described below for the portions similar to those of the excitation coil 300 shown in FIG. 6, and only the other portions will be described.

8, the electric ice-making boot includes a base plate 100, a plurality of exciting coils 300, a magnetorheic elastomer 400, and a power control unit 500, and the exciting coil 300 is magnetized in a diagonal direction The rheopatical elastic body 400 may be arranged to be deformed. Also, the power control unit 500 may supply driving power to the excitation coil 300 positioned diagonally to each other so that the magnetorheic elastomer 400 is deformed diagonally.

The excitation coil 300 can generate a magnetic field in the direction of the arrow shown in FIG. 9A by applying driving power.

The power control unit 500 may apply different driving power so that the phase of the excitation coil 300 located on the diagonal line has a phase difference of 90 degrees so that the magnetorheic elastomer 400 is deformed in the diagonal direction. 500 are an AC power source.

Accordingly, the power control unit 500 applies the first driving power to the first excitation coil 301 and the third driving power to the fourth excitation coil 304 as shown in the graph of FIG. 8, It is possible to have a phase difference of 90 degrees.

Also, the power control unit 500 may apply the third driving power to the second excitation coil 302 and apply the second driving power to the third excitation coil 303.

At time t = t ₁ when each drive power is applied to each of the excitation coils 300, a magnetic field emerging from the first excitation coil 302 in the direction perpendicular to the ground is directed perpendicularly to the fourth excitation coil 303 It can go in one direction and form a closed circuit path.

At this time, the first excitation coil 301 and the fourth excitation coil 304 can deform (i.e., compress) the magnetorheic elastic body 400 on the upper side.

In addition, the second excitation coil 302 and the third excitation coil 303 do not form a magnetic field and do not affect the deformation of the magnetorheic elastomer 400.

Therefore, each exciting coil 300 has an operation period at a predetermined time, and can compress the magnetorheic elastomer 400 in a certain form (preferably, a plurality of diagonal lines are arranged at regular intervals) have.

Here, as shown in FIG. 9A, the first and fourth exciting coils 301 and 304 are in a state of forming a magnetic field.

As shown in Fig. 9B, the second and third excitation coils 302 and 303 do not form a magnetic field.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The foregoing description of the preferred embodiments of the invention disclosed herein has been presented to enable any person skilled in the art to make and use the present invention. While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. For example, those skilled in the art can utilize each of the configurations described in the above-described embodiments in a manner of mutually combining them. Accordingly, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the above description should not be construed in a limiting sense in all respects and should be considered illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all changes within the scope of equivalents of the present invention are included in the scope of the present invention. The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. In addition, claims that do not have an explicit citation in the claims may be combined to form an embodiment or be included in a new claim by amendment after the filing.

100: Base plate
101: Snowboarding
102: Cracks formed in snow
200: coil base material
300: Coiled coil
301: first excitation coil
302: second excitation coil
303: Third excitation coil
304: Fourth excitation coil
400: Magneto-rheological elastomer
500: Power control unit

Claims (10)

A base plate installed on an upper part of the structure requiring ice making;
A coil base disposed on the base plate;
At least one exciting coil installed inside the coil base member and inducing a magnetic field by receiving driving power;
A magnetorheological elastomer disposed on the coil base member and deformed by a magnetic field induced in the excitation coil; And
And a power control unit installed in the excitation coil for supplying the driving power to the excitation coil,
In the case where the exciting coil is formed of a plurality of exciting coils,
A first exciting coil row group arranged so as to cross a plurality of the first exciting coil and the second exciting coil adjacent to each other to form a row; And
And a second exciting coil row group arranged in such a manner that the third exciting coil and the fourth exciting coil adjacent to each other form a plurality of rows so as to form one row,
The first excitation coil of the first excitation coil row group and the third excitation coil of the second excitation coil row group are adjacent to each other and the second excitation coil of the first excitation coil row group and the second excitation coil row group And the fourth exciting coils of the second exciting coil are arranged adjacent to each other,
The power control unit includes:
A driving power source having a different phase difference is applied to each of the first exciting coil, the second exciting coil, the third exciting coil, and the fourth exciting coil,
In the case where the exciting coil is formed of a plurality of exciting coils,
The driving power is applied and the operation period is set at a predetermined time,
The power control unit includes:
Applying drive power having a phase difference of 180 degrees to the first excitation coil and the second excitation coil adjacent to each other and the third excitation coil and the fourth excitation coil, And the fourth exciting coil and the second exciting coil and the third exciting coil are applied to the first exciting coil and the third exciting coil and between the first exciting coil and the third exciting coil, And the fourth exciting coils, respectively, so that the magnetorheological elastomer is compressed,
The magnetorheically-
Wherein the ice making is performed through the deformation.
delete delete delete The method according to claim 1,
Wherein the excitation coil is formed in the form of a pancake coil to reduce the height of the excitation coil.
A base plate installed on an upper part of the structure requiring ice making;
A magnetorheological elastomer disposed on the base plate and deformed by a magnetic field;
At least one exciting coil inserted into the magnetorheological elastomer body and adapted to induce a magnetic field by being supplied with driving power to deform the magnetorheological elastomer body; And
And a power control unit installed in the excitation coil for supplying the driving power to the excitation coil,
In the case where the exciting coil is formed of a plurality of exciting coils,
The driving power is applied and the operation period is set at a predetermined time,
In the case where the exciting coil is formed of a plurality of exciting coils,
A first exciting coil row group arranged so as to cross a plurality of the first exciting coil and the second exciting coil adjacent to each other to form a row; And
And a second exciting coil row group arranged in such a manner that the third exciting coil and the fourth exciting coil adjacent to each other form a plurality of rows so as to form one row,
The first excitation coil of the first excitation coil row group and the third excitation coil of the second excitation coil row group are adjacent to each other and the second excitation coil of the first excitation coil row group and the second excitation coil row group The fourth exciting coils of the second exciting coil are arranged adjacent to each other,
The power control unit includes:
Wherein the first excitation coil, the second excitation coil, the third excitation coil, and the fourth excitation coil respectively apply driving power of different phase difference to each other,
The power control unit includes:
Applying drive power having a phase difference of 180 degrees to the first excitation coil and the second excitation coil adjacent to each other and the third excitation coil and the fourth excitation coil, And the fourth exciting coil and the second exciting coil and the third exciting coil are applied to the first exciting coil and the third exciting coil and between the first exciting coil and the third exciting coil, And the fourth exciting coils, respectively, so that the magnetorheological elastomer is compressed,
The magnetorheically-
Wherein the ice making is performed through the deformation.
The method according to claim 6,
Wherein the excitation coil is formed in the form of a pancake coil to reduce the height of the excitation coil.
delete delete delete

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