KR20190097814A - Secondary battery pouch electrode lead sealing device - Google Patents

Abstract

The present invention relates to an induction heating apparatus for heating a target material by electromagnetic induction. One side and the other side of the target material are pressurized to generate a magnetic force in accordance with the supply of current. A core is misarranged along the width direction of the target material by at least a position set at one side and the other side and guides the magnetic force. A flow path through which coolant is moved is formed inside a pair of coils. The pair of coils are cooled by the movement of the flow path. The target material can be uniformly heated.

Description

Secondary Battery Pouch Electrode Lead Sealing Device {SECONDARY BATTERY POUCH ELECTRODE LEAD SEALING DEVICE}

The present technology relates to an induction heating apparatus for induction heating a material to be heated.

In particular, the present invention relates to an induction heating apparatus for efficiently cooling a coil and a core so as to prevent a phenomenon in which the end side of the material to be heated is overheated and to prevent the coil and the core from being degraded due to heat.

Induction heating by a high frequency current of a material to be heated is widely used for heat treatment including quenching. Indirect by conventional gas heating or electric heating, for the purpose of controlling materials in the manufacturing process of iron or non-ferrous thin plates such as steel sheets or aluminum plates, and for improving productivity and freely adjusting the production amount by increasing the heating rate. It is used as a heating method to replace heating.

In induction heating of a heating material, there are two main methods. One is a so-called LF (final magnetic flux heating) method in which a high frequency current flows through an induction coil surrounding the heated material, and the generated magnetic flux penetrates the width direction of the metal plate and generates and induces an induced current in the cross section of the heated material. The induction heating method is called, and the other is, by arranging the heating material between the coils, and applying the electric current to the coil, the magnetic flux generated is passed through the heating material, thereby generating an induced current in the plane of the metal plate to induce It is TF (cross heating) system to heat.

Induction heating of LF type has good uniformity of temperature distribution, but the generated induction current circulates in the cross section of the plate. Even if a current does not generate | occur | produce, and even if it is a nonmagnetic material or a magnetic material, since the penetration depth of an electric current deepens beyond the Curie point temperature, there exists a subject that a thin plate thickness cannot perform heating.

On the other hand, induction heating of the TF method, since the magnetic flux penetrates the plane of the material to be heated, can be heated without distinguishing the thickness of the material to be heated and magnetic or nonmagnetic, or the magnetic flux resistant coil can reduce the leakage magnetic flux. In addition, since the magnetic flux can be concentrated between the coils arranged opposite to both ends of the material to be heated, the heating efficiency is high.

However, TF induction heating tends to cause nonuniformity in temperature distribution, or when the metal plate is not located at the center of opposing inductors, the magnetic material is attracted to any one of the coils, which is more likely to cause temperature variation. There is a problem. Moreover, in the case of induction heating of the TF system, there is a drawback that it is difficult to cope with the case of changing the sheet width of the metal plate or meandering in a continuous sheet line.

1 illustrates the conventional problem described above in the TF method.

Referring back to the conventional problem through the drawings, the material to be heated is heated and maintained at an average temperature by induction heating in the center. However, the closer to the end side rather than the center is heated to a low temperature, there is a problem that the end of the heating material is heated to a higher temperature than the central portion rather than uniformly heated.

In addition, the conventional TF method has a problem that the efficiency is lowered by the heat generated by itself. When a current is applied to the coil to generate a magnetic force, the coil itself is gradually heated, and as a result, the magnetic force crossing the material to be heated gradually decreases. As time passes, the heat generated is gradually increased to induce the material to be heated. There was a problem that the efficiency is lowered during heating.

Domestic Patent Registration No. "10-1658727" "Superconducting magnet apparatus using movement and Induction heating apparatus approximately" Domestic Patent Publication No. "10-2016-0089416" "Induction heating device (INDUCTION HEATER) Domestic Patent Registration No. "10-1600555" "Induction Heating Apparatus for Heating Conductive Sheet"

An object of the present invention is to provide an induction heating apparatus capable of uniformly induction heating a heated material to solve the above problems.

In particular, unlike conventional induction heating apparatus, the object to be heated is fixed, it is an object to provide an induction heating device for induction heating the material to be heated by pressing the heating material in the upper and lower, respectively, induction heating.

In addition, an object of the present invention is to provide an induction heating apparatus that does not cause a problem that the efficiency is lowered due to heat generated by cooling the respective components to perform induction heating efficiently.

The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned above may be clearly understood by those skilled in the art from the following description. will be.

The induction heating apparatus of the present invention induction heating the material to be heated.

Induction heating apparatus according to an embodiment of the present invention is to press the member to be heated on one side and the other side of the heating material to generate a magnetic force in accordance with the supply of current, but at least one position and the width direction of the heating material as set in the other side According to the present invention, the cores may be disposed to be offset, and a core for guiding the magnetic force may be disposed, and a flow path through which the coolant may be moved may be formed, and a pair of coils may be cooled according to the movement of the flow path.

Here, a heat conduction plate for conducting heat of the core to the coil and the cooling water is provided outside the pair of cores.

Here, a pair of coils are formed on the same side of each of the two connecting conductors on the same side, the connecting conductors formed on the pair of coils are interconnected, the remaining non-connected connecting conductors are each connected to the current supply unit The current supply unit and the pair of coils are characterized in that connected in series.

Here, the pair of coils and the core is provided with a pressure plate for uniformly pressing the heated material, the pressure plate is characterized in that it comprises a fixing bracket which is formed in a set direction and fixed to the exterior.

In the induction heating apparatus according to an embodiment of the present invention, the centers of the first coil and the second coil are disposed to be offset so that the heated material disposed between the first coil and the second coil is uniformly heated.

In particular, the material to be heated is heated on one side by pressing the lower side on the other side, and the heated material is uniformly heated, and the effect of heating can be increased.

In addition, the induction heating apparatus according to an embodiment of the present invention is formed with a flow path through which the coolant can move inside the first coil and the second coil, and is cooled by the coolant so that the efficiency does not decrease even when the device is operated for a long time.

In addition, in the induction heating apparatus according to an embodiment of the present invention heat generated in the core is conducted to the coolant through the coil to radiate heat. Therefore, even if it operates for a long time, efficiency does not fall.

1 illustrates the conventional problem described above in the TF method.
2 is a perspective view of the induction heating apparatus according to the first embodiment in which the pressure plate according to the first embodiment is installed.
Figure 3a is a perspective view showing only the main portion of the induction heating apparatus according to a second embodiment of the present invention, Figure 3b is a side view showing only the main portion of the induction heating apparatus according to a second embodiment, Figure 3c is a second embodiment 3 is a perspective view of the induction heating apparatus according to the second embodiment of the present invention.
Figure 4a is an exploded view of the induction heating apparatus according to a third embodiment of the present invention, Figure 4b is a perspective view of the induction heating apparatus according to a third embodiment of the present invention.
5 is an induction heating apparatus according to a fourth embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described in detail through exemplary drawings. However, this is not intended to limit the scope of the invention.

In adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are assigned to the same components as much as possible even though they are shown in different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

In addition, the size or shape of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms that are specifically defined in consideration of the configuration and operation of the present invention are only for describing the embodiments of the present invention, and do not limit the scope of the present invention.

The induction heating apparatus of the present invention solves the above-described problems, and the centers of the first coil 100 and the second coil 200 do not coincide with each other, and are arranged eccentrically at the center of the heating material 10 to be heated. Any portion of the ash 10 may be heated uniformly without any portion of the ash 10 being heated to a high temperature.

In addition, the first coil 100 and the second coil 200 are configured to allow the cooling water to flow in and out, so that the first coil 100 and the second coil 200 are not heated by the current. This does not degrade.

2 is a perspective view of the induction heating apparatus according to the first embodiment in which the pressure plate according to the first embodiment is installed.

The material to be heated 10 is fixed. Here, the first coil 100 and the first core 140 press the heated member 10 through the first pressure plate 110 in a symmetrical position with respect to the heated member 10 from the lower side of one side. In addition, the second coil 200 and the second core 240 pressurize the heated member 10 through the second presser plate 210 on the upper side of the other side to inductively heat the heated member 10.

Here, the first coil 100 and the first core 140, the first pressure plate 110 and the second coil 200 and the second core 240, the second pressure plate 210, the pressing position is a heating material. It can be changed according to the size of (10).

The first coil 100 is located on one side of the material to be heated 10, and the second coil 200 is located on the other side of the material to be heated 10. When the current is supplied to the first coil 100 and the second coil 200, a magnetic force is generated to inductively heat the heated material 10. Here, the magnetic force formed in the first coil 100 and the second coil 200 is formed so as to pass through the heating material 10 laterally.

A first flow path is formed in the first coil 100. Cooling water may be introduced into the first flow path to move the first coil 100. Therefore, even when current is applied to the first coil 100 to generate heat in the first coil 100, the first coil 100 may be cooled by the coolant. A second flow path is formed in the second coil 200. The second euro plays the same role as the first euro.

The first coil 100 and the second coil 200 are formed to be symmetrical. However, the center C2 of the first coil 100 and the center C3 of the second coil 200 are disposed at positions not coincident on at least the width direction of the heating material 10. For example, the center C2 of the first coil 100 is disposed at a position eccentrically downward from the center C1 of the heating material 10, and the center C3 of the second coil 200 is It is arranged in a position eccentrically upward from the center C1 of the material to be heated 10.

The first coil 100 and the second coil 200 are formed symmetrically and have the same length. That is, as can be seen in FIG. 2, the length l2 + l3 of the first coil 100 and the length l1 + l2 of the second coil 200 are the same. That is, the length l1 of the portion where the second coil 200 protrudes upward of the heating material 10 is the length l3 of the portion where the first coil 100 protrudes downward of the heating material 10. Same as).

That is, any one of the upper end portion or the lower end portion of the first coil 100 may be disposed to correspond to either the upper end portion or the lower end portion of the heating material 10, and the second coil 200 may be formed of the first coil ( The part symmetrical with the part which abuts with the to-be-heated material 10 is abutted and arrange | positioned.

As can be seen in Figure 2, as an example, the upper end of the first coil 100 is disposed in contact with the upper end of the heating material (10). Therefore, the first coil 100 is disposed to protrude downward from the material to be heated 10. Since the second coil 200 is disposed to correspond to the opposite side of the first coil 100, the lower end of the second coil 200 abuts against the lower end of the heating material 10.

As described above, the first coil 100 and the second coil 200 are eccentrically positioned at the same position in the center of the heating material 10 so that the first coil 100 and the second coil 200 are previously at the same position. Arranged so that the temperature of the center of the heating material 10, one side, and the first side is different from each other.

On the other hand, when the center (C2, C3) of the first coil 100 and the second coil 200 are eccentric with respect to the center (C1) of the heating material 10 to contact the heating material (10) The material to be heated 10 cannot be pressed at a uniform pressure on both sides. Since the magnetic force generated by the first coil 100 and the second coil 200 is not moved in the lateral direction because it is out of position, it is necessary to uniformly press and fix the heated material 10 on one side and the other side. Is required.

In order to solve the above problems, the induction heating apparatus of the present invention is provided with a first pressing plate 110 on the first coil 100 and a second pressing plate 210 on the second coil 200. As can be seen in FIG. 2, the first pressure plate 110 is disposed in a flat form between the first coil 100 and the material to be heated 10, and the second coil 200 is the material to be heated 10. Between the second pressing plate 210 of the flat form is disposed.

The first pressing plate 110 and the second pressing plate 210 to protect the first coil 100, the second coil 200, to maintain a uniform spacing on both quantum and to enable the pressing for adhesion.

The first pressing plate 110 and the second pressing plate 210 are formed to have the same length. However, at least not less than the length l2 + l3 of the first coil 100 and the length l1 + l2 of the second coil 200. That is, the first pressing plate 110 is, for example, the length l1 of the length of the first coil 100 plus the length of the second coil 200 protruding upward from the material 10 to be heated up (l1 + l3). Longer than). The second pressing plate 210 is, for example, longer than the length l1 + l2 of the second coil 200 added by the length l3 of the first coil 100 protruding downwardly from the material to be heated 10. It is formed long. Through this, the material to be heated 10 is disposed between the first pressing plate 110 and the second pressing plate 210 having the same size and is not pushed by an eccentric force.

The first coil 100 and the second coil 200 are composed of a vertical portion and a horizontal portion. In addition, for convenience of description, the vertical part and the horizontal part of the first coil 100 will be referred to as the first vertical part 120 and the first horizontal part 130 hereinafter, and will be described in a shorter configuration in the longest configuration. For convenience, the first a vertical part 120a, the first b horizontal part 130b, and the first c vertical part 120c will be named. The same applies to the vertical portion and the horizontal portion of the second coil 200. That is, the vertical part and the horizontal part of the second coil 200 are referred to as the second vertical part 220 and the second horizontal part 230, and the second a vertical part, the second b horizontal part, and the second c vertical part in the order of length. 220c, the second g vertical portion 220g, and so on.

In addition, in FIG. 2, x, y, and z coordinates are arbitrarily set to be described based on x, y, and z coordinates.

The vertical portion and the horizontal portion are connected in the direction crossing each other. When the vertical portion is disposed in the y-axis direction, the horizontal portion is disposed in the x-axis direction. The first coil 100 and the second coil 200 are connected in a direction in which the vertical portion and the horizontal portion formed in the shape of a tube in which a flow path through which the coolant can be moved are formed and intersect, and are rolled toward the center. They gradually become smaller and interconnected to form.

For example, 1a vertical portion 120a, 1b horizontal portion 130b, 1c vertical portion 120c, 1d horizontal portion 130d, 1e vertical portion 120e, 1f horizontal portion 130f , 1g vertical portion (120g) is connected in order, rolled toward the center of the first coil 100 is connected. That is, the 1a vertical portion 120a, the 1b horizontal portion 130b, the 1c vertical portion 120c, and the 1d horizontal portion 130d form the outer side of the first coil 100, and the 1e vertical portion 120e, 1f horizontal portion 130f, and 1g vertical portion 120g include 1a vertical portion 120a, 1b horizontal portion 130b, 1c vertical portion 120c, and 1d horizontal portion 130d. ) Is disposed inside.

The same configuration and connection relationship is the same as the second coil (200).

The first coil 100 and the second coil 200 configured as described above have a first flow path through which the coolant moves, and a second flow path is formed, respectively, so that the coolant also has the first coil 100 and the second coil 200. It is rolled and moved according to the shape to sufficiently cool the first coil 100 and the second coil 200. Accordingly, the first coil 100 and the second coil 200 may be sufficiently cooled by heat applied to the first coil 100 and the second coil 200.

In addition, the coolant inlet 300 and the coolant discharge 310 may be formed in the first coil 100 and the second coil 200. The coolant inlet 300 and the coolant discharge 310 are formed in a direction crossing the vertical part or the horizontal part. Referring to FIG. 3B, the coolant inlet 300 and the coolant discharge part 310 are formed along the z-axis, and thus are formed in a direction intersecting with a vertical part formed along the y-axis and a horizontal part formed along the x-axis.

Here, the coolant inlet 300 is formed at a position that is drawn the longest when a virtual line is drawn from the center of each of the first coil 100 and the second coil 200 toward the vertical portion or the horizontal portion. That is, referring to FIG. 2B, the coolant inlet 300 is formed at the lower end of the first vertical portion 120a. The cooling water discharge part 310 has to be discharged the cooling water sufficiently circulating the first coil 100 or the second coil 200, that is, the position of the first coil 100 or the second coil 200, that is, the vertical portion Or it should be formed in the horizontal part and the vertical part which are not connected, respectively. Looking at this through Figure 2 is formed on the lower side of the first g vertical portion (120g) based on the first coil (100).

On the other hand, the coolant inlet 300 and the coolant discharge unit 310 may be connected to the current supply unit 600, respectively, will be described later.

Figure 3a is a perspective view showing only the main portion of the induction heating apparatus according to a second embodiment of the present invention, Figure 3b is a side view showing only the main portion of the induction heating apparatus according to a second embodiment, Figure 3c is a second embodiment 3 is a perspective view of the induction heating apparatus according to the second embodiment of the present invention.

Looking at the role of the first core 140, the second core 240 in more detail through the second embodiment, the first core 140 in the first coil (100) and the second in the second coil (200) Two cores 240 are installed, and the core guides the magnetic force generated by applying current to the first coil 100 and the second coil 200 to move in the direction of the heating material 10.

The first core 140 and the second core 240 penetrate the heating material 10 in the thickness direction in a direction in which magnetic forces generated in the first coil 100 and the second coil 200 circulate, respectively. To be moved. Here, the first core 140 and the second core 240 may be formed of a permanent magnet as an example.

The first core 140 and the second core 240 are formed in the first installation space and the second installation space, respectively. As can be seen in FIG. 3A, the first installation space is a space surrounded by a vertical portion and a horizontal portion which are rolled and disposed toward the center of the first core 140. Like the first core 140, the second installation space is a space surrounded by a vertical portion and a horizontal portion which are rolled toward the center of the second core 240 and disposed.

The first core 140 and the second core 240 may be stably disposed by being disposed in the first installation space and the second installation space, respectively. On the other hand, the first core 140 and the second core 240 is fixed in contact with both sides of the vertical portion having the longest length in order to be more stably fixed.

For this purpose, the core consists of a central portion and an extension.

That is, the first core 140 is composed of the first center portion 141 and the first extension portion 142, and the second core 240 is composed of the second center portion 241 and the second extension portion 242. do. Since the first core 140 and the second core 240 are symmetrical in shape, the first core 140 and the second core 240 will be described based on the first core 140.

The first center portion 141 of the first core 140 is disposed in the first installation space. Here, the first center portion 141 is disposed to be surrounded by the 1d horizontal portion 130d, the 1e vertical portion 120e, the 1f horizontal portion 130f, and the 1g vertical portion 120g. The thickness of the first center portion 141 is greater than that of the vertical portion and the horizontal portion. Therefore, when the first center portion 141 is disposed in the first installation space, the first center portion 141 protrudes to both sides of the first e vertical portion 120e.

First extension parts 142 are formed at both sides of the first center part 141. The first extension portion 142 is formed to have a set length (S3). Here, the set length may be at least not less than the sum of the thickness S1 of the first vertical portion 120e and the thickness S2 of the first vertical portion 120a. Therefore, the first extension part 142 abuts and is fixed to both side surfaces of the first a vertical part 120a having the longest length. The same applies to the second coil 200.

The first core 140 and the second core 240 disposed in the form as described above guide the moving direction of the magnetic force generated in the first coil 100 and the second coil 200, and the first installation space 2 can be installed stably in the installation space. In addition, the first coil 100 and the second coil 200 may be fixed to prevent movement by the first core 140 and the second core 240.

Meanwhile, heat generated in the first core 140 and the second core 240 is transferred to the coil and the cooling water through the first heat conducting plate 160 and the second heat conducting plate 260, respectively. The first heat conducting plate 160 and the second heat conducting plate 260 may be formed of, for example, a copper plate.

The outer surface of the first core 140 is installed in a form in which the first heat conducting plate 160 is enclosed, and the second heat conducting plate 260 is provided on the outer side of the second coil 240. Since the first heat conducting plate 160 and the second heat conducting plate 260 are formed to surround the outside of the first core 140 and the second core 240, respectively, the first coil 100 and the second coil, respectively. Abuts with (200).

Therefore, the first heat conducting plate 160 and the second heat conducting plate 260 are generated in the first core 140 and the second core 240 in the coolant flowing through the first coil 100 and the second coil 200, respectively. Transfer heat. Here, the first heat conductive plate 160 and the second heat conductive plate 260 may be connected to the first coil 100 and the second coil 200 through brazing welding or soldering, respectively.

Meanwhile, a first insulating plate 161 and a second insulating plate 261 are installed between the first thermal conductive plate 160 and the first core 140 and between the second thermal conductive plate 260 and the second core 240, respectively. do. The first insulating plate 161 and the second insulating plate 261 respectively insulate between the first core 140 and the first thermal conductive plate 160 and between the second core 240 and the second thermal conductive plate 260, respectively. . Therefore, heat is transferred between the first heat conducting plate 160 and the second heat conducting plate 260 to be insulated.

Induction heating apparatus according to a third embodiment of the present invention includes a first connecting conductor 400, the second connecting conductor 410. The first connection conductor 400 has a first hole, and the second connection conductor 410 has a second hole.

The first hole is installed by inserting the coolant inlet 300. The second hole is installed by inserting the coolant discharge part 310.

The first connection conductor 400 and the second connection conductor 410 are connected to the current supply unit 600 at positions spaced apart from each other. Therefore, the current applied by the current supply unit 600 may be applied to the coil. For example, the + pole of the current supply unit 600 may be connected to the first connection conductor 400, and the − pole may be connected to the second connection conductor 410. Here, since the current applied by the current supply unit 600 is alternating current, it will be obvious that the connected pole may be changed.

The first connection conductor 400 and the second connection conductor 410 are formed in a shape in which the figure of the set shape is divided into a shape that is not symmetrical. Here, at least the first connecting conductor 400 is formed not larger than the size of the second connecting conductor 410.

For example, referring to FIG. 3D, the first connecting conductor 400 and the second connecting conductor 410 are formed in the shape of a figure having a rectangular cross section. Here, the first connection conductor 400 is connected to the cooling water supply unit through the first hole, the second connection conductor 410 is connected to the cooling water discharge unit 310 through the second hole, the current supply unit 600 The first connection conductor 400 and the second connection conductor 410 are connected below. The first connection conductor 400 is connected to the cooling water supply unit formed below the first a vertical portion 120a having the longest length, and the second connection conductor 410 is connected to the lower side to which the current supply unit 600 is connected. Compared with the cooling water supply unit, the cooling water discharge unit 310 is relatively close to the center of the coil. Therefore, when the quadrangular figure is divided, the first connecting conductor 400 will be divided to have a smaller size than the second connecting conductor 410.

Here, an insulator for insulation may be disposed between the first connecting conductor 400 and the second connecting conductor 410 to be electrically separated.

The current supply unit 600, the first connection conductor 400, and the second connection conductor 410 may be connected through the connection arm part. The connection arm part includes a first connection arm part 500 connecting the first connection conductor 400 disposed on the first coil 100 and the first connection conductor 400 disposed on the second coil 200, and a first connection. The second connection conductor 410 is disposed on the coil 100 and the second connection arm 510 is connected to the second connection conductor 410 disposed on the second coil 200.

Here, the second connection arm 510 is connected to the current supply unit 600.

Here, the first connecting arm part has a first coil 100 eccentrically centered C2 downward and a second coil eccentrically centered C3 upward relative to the center C1 of the heating material 10. It may be observed in the form of "U" that one side is raised to the upper side rather than the shape corresponding to the first connection conductor 400 disposed in the 200.

In addition, a length of the second connection arm 510 connected to one side of the second connection conductor 410 disposed on the first coil 100 and the other side to the current supply unit 600 is disposed on the second coil 200. The second connection conductor 410 is connected to one side, and the other side has a length that is naturally smaller than the length of the second connection arm part 510 in the current supply unit 600.

On the other hand, the reason for the above connection is that the first coil 100 and the second coil 200 are connected in series to be operated at one time according to the current of the current supply unit 600 to generate magnetic force. That is, the current applied by the current supply unit 600 may be utilized efficiently. On the other hand, it is connected to the cooling water inlet 300 and the cooling water discharge unit 310 formed on the first coil 100 side, respectively, the center (C3) of the second coil 200, the center (C1) of the heating material 10 Since the first coil 100 is located eccentrically to the lower side and the first coil 100 is eccentrically to the lower side, the heights of the first connecting conductor 400 and the second connecting conductor 410 are different from each other.

The second connection arm 510 may be moved in accordance with a control signal of a controller (not shown). The second connection arm part 510 connected to the first coil 100 and the second coil 200 is connected to other components through the second connection conductor 410, respectively, so that the second connection arm part 510 is connected to the first coil 100 and the second coil 200. If is moved, other components can be moved together.

Therefore, the first coil 100 and the second coil 200 may be separated or near each other according to the operation of the second connection arm 510, respectively.

Figure 4a is an exploded view of the induction heating apparatus according to a third embodiment of the present invention, Figure 4b is a perspective view of the induction heating apparatus according to a third embodiment of the present invention.

The induction heating apparatus according to the third embodiment includes a slide holder.

The first slide holder 150 is installed in the first core 140, and the second slide holder 250 is installed in the second core 240.

Each of the first slide holder 150 and the second slide holder 250 is provided with an arrangement space in which a coil, a core, and a medium conductor can be installed.

The first slide holder 150 and the second slide holder 250 are formed to be symmetrical. However, the placement space is formed at different positions.

The first slide holder 150 and the second slide holder 250 have a length (l2 + l3) and a length of the second coil 200 of the first coil 100 disposed with the heating material 10 therebetween. A length not less than at least one of the sum of the length l1 of the first coil 100 and the length l3 of the second coil 200 protruding upward and downward based on the heating material 10 to (l1 + l2). Has

That is, the lengths of the first slide holder 150 and the second slide holder 250 have a length that is at least not less than the lengths of the first pressing plate 110 and the second pressing plate 210 described above.

Therefore, the first slide holder 150 and the second slide holder 250 may be disposed to match the upper end and the lower end. However, the first coil 100 is eccentrically downward based on the center of the heating material 10, and the second coil 200 is eccentrically upward based on the center of the heating material 10. The first placement space 151 of the first slide holder 150 is formed to be eccentrically downward based on the center of the heating material 10, and the second placement space 251 of the second slide holder 250 is It is formed to be eccentrically upward based on the center of the heating material 10.

Therefore, when viewed from the outside, the first slide holder 150 and the second slide holder 250 may be observed symmetrically, but the first coil 100 and the first core 140 disposed in respective layout spaces therein. ), The first and second connection conductors 400 and 410 are disposed below the heating material 10, and the second coil 200, the second core 240, and the first and second connection conductors ( 400, 410 and the like are disposed above the heated material 10.

The first slide holder 150 and the second slide holder 250 adjust the gap that is shifted when the first coil 100 and the second coil 200 are symmetrically arranged to be offset from each other with respect to the heating material 10. . This is described above, but when the power is applied to the first coil 100 and the second coil 200, the ends (edges) of each coil are overheated, and the first coil 100 disposed on one side of the heating material 10 is provided. ) And the second coil 200 disposed on the other side are disposed to be offset from each other, so that the material to be heated 10 may be heated evenly.

5 is a perspective view of an induction heating apparatus according to a fourth embodiment of the present invention.

According to the fourth embodiment, the first pressing plate 110 and the second pressing plate 210 are installed after being disposed on the first fixing bracket 110a and the second fixing bracket 210a, respectively. The first fixing bracket (110a) and the second fixing bracket (210a) are formed flat, respectively, to arrange the first pressure plate 110 and the second pressure plate 210, the installation member in the installation hole formed along the longitudinal direction Thus, the first slide holder 150 and the second slide holder 250 may be fixed to each other.

Through this, the first pressing plate 110 and the second pressing plate 210 may be fixed to the first slide holder 150 and the second slide holder 250, respectively.

In addition, a predetermined number of first fixing holes 152 and second fixing holes 252 may be formed in the first slide holder 150 and the second slide holder 250, respectively. Fixing bolts are installed in the first fixing hole 152 and the second fixing hole 252 so that the first slide holder 150 and the second slide holder 250 are stably fixed.

Also, for convenience, the positions of the coolant inlet 300 and the coolant discharge 310 may be changed, and the first connection conductors coupled to the first slide holder 150 and the second slide holder 250, respectively. The coupling form of the 400 and the second connection conductor 410 may be changed. However, it will be obvious that the coolant is introduced and the connecting conductors are powered.

While the invention has been shown and described with respect to particular embodiments, it will be appreciated that various changes and modifications can be made in the art without departing from the spirit of the invention provided by the following claims. It will be self-evident for those of ordinary knowledge.

10: material to be heated 100: first coil
110: first pressing plate 110a: first fixing bracket
120: first vertical portion 120a: first a vertical portion
120c: 1c vertical portion 120e: 1e vertical portion
120g: 1g vertical part
130: first horizontal portion 130b: first b horizontal portion
130d: 1d horizontal part 130f: 1f horizontal part
140: first core 141: first center portion
142: first extension
150: first slide holder 151: first arrangement space
152: the first fixing hole 160: the first thermal conductive plate
161: first insulating plate
200: second coil 210: second pressure plate
210a: second fixing bracket 220: second vertical portion
220c: 2c vertical part 220g: 2g vertical part
230: second horizontal portion 240: second core
241: second center portion 242: second extension portion
250: second slide holder 251: second arrangement space
252: second fixing hole 260: second heat conduction plate
261: second insulating plate
300: cooling water inlet 310: cooling water discharge
400: first connecting conductor 410: second connecting conductor
500: first connection arm 510: second connection arm
600: current supply unit

Claims (4)

In the induction heating apparatus for induction heating the material to be heated,
One side and the other side of the material to be heated pressurizes the material to be heated and generates magnetic force in accordance with the supply of current, but is arranged to be offset in the width direction of the material to be heated at least by a position set at at least one side and the other side, and the core guides the magnetic force. Is disposed, there is formed a flow path in which the coolant is moved to include a pair of coils to be cooled in accordance with the movement of the flow path
Induction heating apparatus, characterized in that. The method of claim 1,
On the outside of the pair of cores,
The heat conduction plate for conducting the heat of the core to the coil and the cooling water is installed
Induction heating apparatus characterized in that. The method of claim 1,
The pair of coils
Two connecting conductors are formed on the same side, respectively.
The connecting conductors formed on the pair of coils are interconnected, and the remaining unconnected connecting conductors are connected to the current supply units, respectively, so that the current supply unit and the pair of coils are connected in series.
Induction heating apparatus characterized in that. The method of claim 1,
The pair of coils and the core is provided with a pressure plate for uniformly pressing the heated material,
The pressing plate is formed in a set direction, characterized in that it comprises a fixed bracket fixed to the housing.

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