Electromagnetic induction heating device and electromagnetic induction heating system

Abstract

[Problem] To provide an electromagnetic induction heating device capable of processing with optimal conditions and having good transportability, portability, ease of operation, and ease of use, and a system of same. [Solution] A plurality of applicators 20A-20E are provided with: IH coils 40A-40E having different power consumption; and resonance capacitors 50A-50D. Connectors 56 of the applicators 20A-20E are connected to a connector 14 on a power cable 12 of an external power source 10. The power cable 12 can supply power sufficient for the capacity of the IH coil having the greatest power consumption of the IH coils 40A-40E of the plurality of applicators 20A-20E, and the resonance capacitors 50A-50D adjust and supply the harmonic current supplied by the power cable 12 in accordance with the power consumption of the IH coils 40A-40D. Therefore, the plurality of applicators 20A-20E can share the external power source 10 and the power cable 12.

Description

[Technical field]

[0001] The present invention relates to an improvement in an electromagnetic induction heating device and an electromagnetic induction heating system that are provided with a coil for performing electromagnetic induction heating (IH). [Background technology]

[0002] For example, when constructing a house or the like and performing interior finishing by attaching decorative materials to wall materials, the portable bonding device described in the following Patent Document 1 is used. The portable bonding device described in Patent Document 1 is a portable bonding device that bonds a first bonded member and a second bonded member via an adhesive and a conductive heat-generating member, and is characterized by having a bonding device main body provided with a handle that is held by an operator, a coil that is incorporated in the bonding device main body and generates heat from the conductive heat-generating member by electromagnetic induction heating to heat the adhesive in contact with the conductive heat-generating member, and a high-frequency generating unit that is connected to the coil and supplies high-frequency waves to the coil. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 8-143825 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the technology described in Patent Document 1, multiple types of devices must be prepared in order to use different heating heads depending on the shape, area, etc. of the heating target. However, since the power consumed by each heating head differs, multiple power cables that can supply the appropriate amount of power are required. This increases the number of cables and makes them more likely to become tangled, making them inconvenient to carry and route during work.

[0005] In addition, in various work places such as construction sites, power sources are not always available, and even if there is a power source, it is necessary to use a long cable, which is not very convenient to work in. In particular, when performing heating work in a narrow place, the power cable can get in the way. In addition, it is necessary to select the optimal current conditions depending on the processing part.

[0006] The present invention has been made with the above points in mind, and its purpose is to simplify the cable that connects an applicator equipped with an IH coil to an external power source, and to easily use multiple IH coils depending on the purpose and the object to be heated. Other purposes are to provide a device that is easy to carry, portable, easy to operate, and easy to work with, Using electronic tags The key is to carry out processing under optimal conditions. [Means for solving the problem]

[0007] The electromagnetic induction heating device of the present invention is an electromagnetic induction heating device that heats an object by electromagnetic induction by passing a high-frequency current through an IH coil, and has a main body and a coil head equipped with the IH coil, and the coil head is detachable from the main body, and the main body is equipped with a high-frequency generating circuit that generates the high-frequency current, and a current control means that sets the current conditions for the induction heating coil by the high-frequency generating circuit, The power supply control means includes a tag reader, and when an electronic tag is embedded in the processing area in which the power supply conditions at the previous heating are recorded, the power supply conditions are read by the tag reader, and the power supply conditions for the IH coil are set by referring to the read power supply conditions. It is characterized by:

[0008] In another electromagnetic induction heating device of the present invention, the current control means includes a tag writer, and when an electronic tag is embedded in the processing portion, the current conditions during heating of the processing portion are written by the tag writer. It is characterized by:

[0009] One of the main forms is characterized in that a power source for driving the main body is provided so that the main body can be used cordlessly. According to another form, the coil head is provided with a resonance circuit for adjusting the characteristics of the IH coil. According to yet another form, the current control means records the history of current flow to the IH coil. Furthermore, the current control means is provided with communication means and transmits and receives current conditions for the IH coil to and from the outside. According to yet another form, the main body is provided with a heat sink for dissipating heat from the IH coil. According to yet another form, a metal to be induction heated is provided on the contact surface of the coil head with the heating object. Furthermore, the metal functions as an iron, soldering or brazing head.

[0010] According to one of the main forms, a sensor unit is provided in either the main body or the coil head, and the sensor unit includes at least one of an object sensor that detects the presence or absence of a heating conductor on the heating target side, a temperature sensor that detects the temperature of the heating target, and an image sensor that captures an image of the heating target.

[0011] The electromagnetic induction heating system of the present invention is characterized by comprising the electromagnetic induction heating device and a heating condition setting means for setting the heating conditions of the coil head by utilizing the detection result of the sensor unit. The above and other objects, features, and advantages of the present invention will become apparent from the following detailed description and the accompanying drawings. Effect of the Invention

[0012] According to the present invention, various IH coils are prepared, and a resonant circuit is provided for each IH coil, so that multiple IH coils can be switched and used according to the purpose and the object to be heated, thereby enabling processing to be performed under optimal conditions. Also, the driving power source is built into the applicator, which improves portability, portability, operability, and workability. Furthermore, by using electronic tags, Processing can be carried out under optimal conditions. [Brief description of the drawings]

[0013] [Figure 1] FIG. 1 is a diagram showing a first embodiment of the present invention, in which (A) is an external perspective view of an applicator and an external power supply of an electromagnetic induction heating device, (B) is a cross-sectional view of the applicator, and (C) is a diagram showing the state during use. [Diagram 2] FIG. 2 is a diagram showing a circuit configuration of the electromagnetic induction heating device of the first embodiment. [Diagram 3] FIG. 4 is a diagram showing a modified example of the applicator of the first embodiment. [Figure 4] FIG. 13 is a diagram showing a modified example of the first embodiment. [Diagram 5] FIG. 11 is a block diagram showing a main part of a second embodiment of the present invention. [Figure 6] 13 is a diagram showing an example of terminal arrangement of a power supply side connector and an applicator side connector of the second embodiment. FIG. [Figure 7] FIG. 11 is a block diagram showing a main part of a third embodiment of the present invention. [Figure 8]1A and 1B are diagrams showing an example of an applicator according to a fourth embodiment of the present invention, in which (A) is a diagram showing the main components of the applicator from the side, (B) is a diagram showing a cross section of a magnetic field generating roll, and (C) is a diagram showing the entire magnetic field generating roll. [Figure 9] FIG. 13 is a diagram showing a modified example of the fourth embodiment. [Figure 10] FIG. 11 is a diagram showing Example 5 of the present invention. [Figure 11] FIG. 13 is a diagram showing the appearance of Example 6 of the present invention. [Figure 12] FIG. 13 is a diagram showing a circuit configuration of the sixth embodiment. [Figure 13] FIG. 13 is a diagram showing a circuit configuration according to a seventh embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0014] The best mode for carrying out the present invention will now be described in detail with reference to examples. EXAMPLES

[0015] First, a first embodiment of the present invention will be described with reference to Figs. 1 to 4. Fig. 1(A) is an external perspective view of an applicator of an electromagnetic induction heating device of this embodiment, Fig. 1(B) is a cross-sectional view of the applicator, and Fig. 1(C) is a view showing a state during use. Fig. 2 is a diagram showing a circuit configuration of the electromagnetic induction heating device of this embodiment, and Figs. 3 and 4 are views showing modified examples of this embodiment. The electromagnetic induction heating device of the present invention can be applied to various types of heating processes such as adhesion and deformation by heating, and this embodiment is an example in which it is applied to adhesion of laminated panels such as decorative panels and cosmetic panels used as various building materials such as furniture, fittings, partitions, ceilings, floors, etc.

[0016] As shown in FIG. 1(A), the electromagnetic induction heating device 100 of this embodiment is composed of an external power source 10 and a plurality of applicators 20A, 20B, 20C, 20D, and 20E that are detachable from the external power source 10 and equipped with IH coils (induction heating coils). The external power source 10 is for supplying high-frequency current to the applicators 20A to 20E, and can supply a current suitable for the IH coil that consumes the most power among the IH coils equipped in the plurality of applicators. The external power source 10 also has a power cable 12 for connecting to the applicators 20A to 20E, and a connector section 14 provided at the end of the power cable 12. In the illustrated example, the connector section 14 is a plug having a pair of male terminals (not shown) on the inside. The power cable 12 is usually a pair of power cables bundled together into one cable and covered with a cover or the like.

[0017] Next, the applicators 20A to 20E will be described. The basic structure is similar, so the applicator 20A will be described as an example. The applicator 20A has an operating handle 24 on one main surface 22A of the case 22, and a coil head 26 on the other main surface 22B. The coil head 26 has a case 28 formed of, for example, a heat-resistant resin, and an IH coil 40A is provided inside the case 28. In the example of FIG. 1(A), the IH coil 40A has a flat spiral shape and is formed on the surface 26A side of the case 28 within a range that contacts the heating object. One end 42 of the IH coil 40A is connected to a lead wire 46 as shown in FIG. 1(B), and the other end 44 is connected to a lead wire 48.

[0018] These lead wires 46, 48 are connected to a resonant circuit or resonant capacitor 50A provided in the case 22 of the applicator 20A. The resonant capacitor 50A is for adjusting the high-frequency current supplied from the external power source 10 in accordance with the power consumption of the IH coil 40A in the coil head 26. The resonant capacitor 50A is connected to a connector section 56 on the applicator side provided in the case 22 by wiring 52, 54. In the illustrated example, the connector section 56 is a socket having a pair of (female) pins (not shown) on the inside. The external power source 10 and the applicator 20A are electrically and mechanically connected by inserting the connector section 14 on the external power source 10 side into the connector section 56 of the applicator 20A. In the illustrated example, the connector section 14 on the external power source 10 side is a male type, and the connector section 56 on the applicator 20A to 20E side is a female type, but the male and female types may be reversed (not shown).

[0019] As described above, in this embodiment, a plurality of applicators 20A-20E are provided for use in connection with the external power source 12. These applicators 20A-20E are provided with IH coils 40A-40E with different shapes, numbers of coils, power consumption, etc., so that they can be used appropriately according to the purpose, the type of workpiece, etc. (see Figs. 2 and 3). Specifically, as shown in Fig. 2, the applicator 20A is provided with an IH coil 40A, the applicator 20B is provided with an IH coil 40B, and the applicator 20C is provided with an IH coil 40C (the same applies to the other applicators 20D and 20E).

[0020] In this embodiment, the power cable 12 on the external power source 10 side can supply enough power to the IH coil with the highest power consumption among the IH coils 40A-40E of the multiple applicators 20A-20E, and the external power source 10 and the power cable 12 can be used in common regardless of which applicator 20A-20E is used. For this purpose, in the present invention, as shown in FIG. 2, each of the applicators 20A-20D is provided with a resonant capacitor 50A-50D for adjusting the high-frequency current supplied from the power cable 12 according to the power consumption of the IH coil 40A-40D and supplying it to each of the IH coils 40A-40D. By providing the resonant capacitors 50A-50D in each of the applicators 20A-20D, the external power source 10 and the power cable 12 can be used in common even if the applicators 20A-20D are provided with IH coils 40A-40D with different power consumptions.

[0021] Depending on the power consumption of the IH coil, the configuration may not include a resonant capacitor. In this embodiment, as shown in FIG. 2, the applicator 20E is only an IH coil 40E, and no resonant capacitor is connected. In the illustrated example, only one applicator 20E among the five applicators does not include a resonant coil, but it is sufficient that at least one of the multiple applicators includes a resonant coil. With the above configuration, the applicator can be easily replaced by attaching and detaching the connector parts 14, 56, and the structure around the cable can be simplified.

[0022] Next, the operation of this embodiment will be described with reference to FIG. 1(C). The connector 14 on the external power source side is inserted into the connector 56 of the applicator to be used (applicator 20A in the example of FIG. 1(C)) among the applicators 20A to 20E, and the external power source 10 and applicator 20A are electrically and mechanically connected. The example shown in FIG. 1(C) is an example in which a metal plate 60 and a resin plate 62 are bonded with an adhesive 64. When a high-frequency current is applied from the external power source 10 to the IH coil 40A of the applicator 20A, a strong magnetic field is generated, and an eddy current is generated by electromagnetic induction in metal placed nearby, and the metal heats up due to resistance. This principle is known as electromagnetic induction heating.

[0023] In this embodiment, when a current is applied to the IH coil 40A, the surface 26A of the coil head 26 is brought into contact with a metal plate 60 as shown in FIG. 1(C), and the metal plate 60 is heated by electromagnetic induction. Then, the adhesive 64 is heated by the heated metal plate 60, so that the metal plate 60 and the resin plate 62 are bonded together. When replacing the applicator 20A with another applicator 20B to 20E, the connector 14 of the power cable 12 is removed from the connector 56 on the applicator side and connected to the applicator to be replaced. Note that the illustrated example shows a case where the metal plate 60 is disposed on the coil head 26 side, but depending on the thickness of the resin plate 62, the same effect can be obtained even if the resin plate 62 and the metal plate 60 are disposed inversely.

[0024] Thus, according to the first embodiment, the multiple applicators 20A-20E include IH coils 40A-40E and resonant capacitors 50A-50D, and the applicators 20A-20E are electrically and mechanically connected to a connector 14 provided at an end of a power cable 12 of an external power source 10 by a connector 56. The power cable 12 of the external power source 10 is capable of supplying power sufficient for the capacity of an IH coil having the maximum power consumption among the IH coils 40A-40E of the multiple applicators 20A-20E, and each of the resonant capacitors 50A-50D of the multiple applicators 20A-20D adjusts the high-frequency current supplied from the power cable 12 in accordance with the power consumption of each IH coil 40A-40D and supplies the high-frequency current to the IH coils 40A-40D. Therefore, even when multiple applicators 20A-20E are used, the external power source 10 and the power cable 12 connected to them can be common, so the cable layout can be simplified and multiple applicators 20A-20E can be flexibly used according to the purpose and the object to be heated. In addition, there is an advantage that the cable can be easily routed during operation.

[0025] Next, a modified example of the first embodiment will be described. In the above embodiment, as shown in FIG. 1, the coil head 26 is configured separately from the case 22 of the applicator, but this is also an example. As in the applicator 70 shown in FIG. 3(A), an IH coil 74 and a resonant capacitor 76 may be provided in the case 72, and the case 72 itself may be made of heat-resistant resin. In the examples of FIGS. 1 and 2, the entire surface 26A of the coil head 26 is flat, but this is also an example. For example, as in the coil head 80 shown in FIG. 3(B-1), a taper 86 may be provided from the bottom surface 84 to the side surface 88 of the case 82. Alternatively, as in the coil head 90 shown in FIG. 3(B-2), a gently curved surface 96 may be provided from the bottom surface 94 to the side surface 98 of the case 92. Also, as in the coil head 90, the portion that comes into contact with the heating object may be formed thick. These various types of applicators and coil heads may be replaced with the applicator shown in FIGS.

[0026] Next, a modified example shown in Fig. 4(A) will be described. In the example shown in Fig. 1, the surface 26A of the coil head 26 is directly contacted with the metal plate 60 to be heated, but if the contact time is long, the case 28 of the coil head 26 itself may be deformed by heating. Therefore, as shown in Fig. 4(A), spacers 32 are provided at appropriate intervals on the case surface 26A to prevent the surface 26A of the coil head 26 from directly contacting the metal plate 60. Alternatively, a resin plate 34 made of heat-resistant resin may be provided at the tip of the spacer 32 as necessary.

[0027] Next, modified examples shown in Fig. 4(B) to (D) will be described. In the above-mentioned examples shown in Fig. 1(C) and Fig. 4(A), the metal plate provided on the heating target side is heated by induction heating, thereby enabling bonding with another member (resin plate 62). However, by using the structures shown in Fig. 4(B) to (D), even if there is no metal plate on the heating target side, it is possible to bond resin plates to each other, or a resin plate to a plywood plate, etc. First, the example shown in Fig. 4(B) is an example in which a metal plate 66 is provided on the surface 26A side of the coil head 26 via a spacer 32. When a current is applied to the IH coil 40A, the metal plate 66 generates heat, and by bringing the metal plate 66 into contact with a resin plate 68, the adhesive 65 is heated via the resin plate 68, and the resin plates 68 and 62 are bonded together. In addition, on the coil head 26 side, the metal plate 66 generates heat, but since the spacer 32 is provided between the metal plate 66 and the coil head surface 26A, the coil head 26 itself can be prevented from being deformed by heating. The resin plates 62, 68 are merely an example, and the present invention can also be applied to bonding plywood to plywood, a resin plate to a plywood, or a plaster board to another building material.

[0028] The example shown in FIG. 4(C) is an application of the example shown in FIG. 4(B), in which the cap 36 having the metal plate 66 on its upper surface is detachable from the coil head 26. A convex portion 38 that fits into a concave portion 29 provided on the side of the case of the coil head 26 is provided on the inside of the side surface 36A of the cap 36. In this case, the spacer 32 may be provided on the back surface of the metal plate 66. The example shown in FIG. 4(D) is also an application of the example shown in FIG. 4(B). The coil head shown in FIG. 4(D) is an example in which the surface of the metal plate 67 is provided with irregularities 66A. In this way, the metal plate 67 provided with the irregularities 66A is brought into contact with a material that can be deformed by heating, so that the irregularities 66A can be transferred to the heating target. EXAMPLES

[0029] Next, a second embodiment of the present invention will be described with reference to Figs. 5 and 6. The same or corresponding components as those in the first embodiment described above will be designated by the same reference numerals (the same applies to the following embodiments). Fig. 5 is a block diagram showing the overall configuration of the electromagnetic induction heating device of this embodiment. Fig. 6 is a diagram showing an example of the terminal arrangement of the power supply side connector and the applicator side connector of this embodiment. The first embodiment described above is for selectively using a plurality of IH coils with different power consumption, and each of the plurality of applicators has one IH coil. However, this embodiment is an example in which the applicator is additionally provided with desired sensor means and imaging means.

[0030] As shown in Fig. 5, the electromagnetic induction heating system 200 of this embodiment is composed of an electromagnetic induction heating device 202 and a terminal 252 on the side of an operator 250. The terminal 252 is composed of, for example, a personal computer. The electromagnetic induction heating device 202 is composed of an external power source 210 and a plurality of applicators 220A to 220D. The external power source 210 is capable of communicating with the terminal 252 via, for example, the Internet 260. The terminal 252 is provided with a control unit 254, a display unit 256, an input unit 258, and the like.

[0031] The external power source 210 supplies high-frequency current to the IH coils 228A-228D provided in the multiple applicators 220A-220D, and a connector section 216 is provided at the tip of a power cable 212. In this embodiment, the power cable 212 is a composite cable in which two power cables ca1, ca2 and four signal lines cb, cd, cd, ce are bundled together, and the surface is covered with a coating 214 or the like. The external power source 210 can supply high-frequency current sufficient for the IH coil with the highest power consumption among the IH coils 228A-228D provided in the multiple applicators 220A-220D.

[0032] In the illustrated example, the connector section 216 is a plug having six male terminals on the inside. When the connector section 216 is viewed in the direction indicated by the arrow F5a in Fig. 5, the two central terminals among the six terminals are power terminals ta1, ta2 that connect to the power cables ca1, ca2, and the other four terminals are signal terminals tb-td that connect to the signal cables cb-ce, as shown in Fig. 6.

[0033] Next, the applicators 220A to 220D will be described. Since the basic structure is similar, the applicator 220A will be described as an example. The applicator 220A includes a power button 224, a memory 226, an IH coil 228A, a resonant capacitor 230A, an object sensor 232, and a connector section 240A in a case 222. The resonant capacitor 230A adjusts the power according to the power consumption of the IH coil 228A and supplies the power to the IH coil 228A. The object sensor 232 is a non-contact sensor that detects whether or not there is a heat conductor on the side of the object to which the applicator 220A is abutted, and if there is, its type and position (depth). In this embodiment, a sensor that transmits radio waves toward the object and receives the reflected waves from the object is used as the object sensor 232. The detection result by the object sensor 232 is sent to the external power source 210 side by the connection of the connector portion, and then sent to a terminal 252 of an operator 250. A control portion 254 of the terminal 252 controls the output of high frequency current supplied to the IH coil 228A so as to achieve optimal heating conditions according to the detection result by the object sensor 232.

[0034] Here, the optimal heating conditions are, for example, the current value, frequency, and energization time of the high-frequency current supplied to the IH coil 228A. Specifically, when the applicator 220A is placed on the object, radio waves are emitted toward the object, the reflected waves are received, and it is detected whether or not there is a heat-generating conductor, and if there is, how deep it is from the IH coil 228A, and the frequency is adjusted to the optimal frequency. Radio waves are emitted to identify the type of metal, the amount of heat generated is calculated, and the energization time is controlled. The optimal values ​​of the heating conditions calculated as above may be stored in the memory 226 as necessary, or may be recorded in a memory (not shown) of the external power source 210 or the terminal 252.

[0035] The power button 224 is for switching ON / OFF of the current supply to the resonant capacitor 230A and the IH coil 228A on the applicator side. The object sensor 232 detects, for example, the presence or absence of an object to be heated. The detection result of the object sensor 232 may be stored in the memory 226 or may be sent to the external power source 210 or a terminal 252 on the operator 250 side.

[0036] In the illustrated example, the connector section 240A is a socket with six female terminals on the inside. When the connector section 240A is viewed in the direction indicated by the arrow F5b in FIG. 5, the power supply terminals Ta1 and Ta2 are disposed in the center, and the signal terminal Tc is disposed at the right end of the connector section 240A, as shown in FIG. 6. On the other hand, in the connector section 216 on the power supply side, the pair of power supply terminals ta1 and ta2 are disposed in the center, and the signal terminal tc connected to the signal line cc for the object sensor is disposed at the right end, as shown in FIG. 6. Therefore, the power cables ca1 and ca2 and the signal cable cc for the object sensor 232 can be connected to the applicator 220A simply by inserting the connector section 216 of the external power source 210 into the connector section 240A of the applicator 220A.

[0037] The other applicators 220B to 220D are basically configured in the same way, with the only difference being that applicator 220B is equipped with temperature sensor 234, applicator 220C is equipped with camera 236, and applicator 220D is equipped with no sensor or camera, and that the arrangement of terminals in connector parts 240B to 240D differs depending on whether or not these are equipped. However, in the present invention, the terminal arrangement on the applicator side and the terminal arrangement on the external electrode side are set so that power supply and signal transmission are possible when connector part 216 of external power source 210 is connected to connector part 240A to 240D of any of the applicators.

[0038] The temperature sensor 234 is for correcting the optimum heating conditions calculated based on the detection result of the object sensor 232, and the control unit 254 monitors whether the output from the temperature sensor 234 has reached a predetermined temperature and corrects the optimum heating conditions. In other words, by applying feedback to the calculated value, more appropriate heating control can be performed.

[0039] The camera 236 photographs an image of the vicinity of the applicator 220C, for example, an area where the IH coil 228C is in contact, and the photographed image data is stored in the memory 226 as necessary. In addition, as necessary, the image data of the area of ​​contact may be transmitted to the external power source 210 or the terminal 252 of the operator 250 for storage, or may be displayed on the display unit 256 of the terminal 252. The operator 250 may then send an instruction such as "increase the frequency a little more" to the control unit 254 while viewing the image displayed on the display unit 256, thereby controlling the output of the high-frequency current supplied from the external power source 210 to the IH coil 228C. In any case, by transmitting the images acquired by the applicators 220A to 220C and the output results of the sensors to the operator, the operator can incorporate instructions based on experience gained from past work, and perform more reliable work. The image capturing by the camera 236 may be automatically performed while the IH coil 228C is energized, or may be arbitrarily performed by an operator using a photographing button (not shown) or the like.

[0040] 6, the terminal arrangement of the connector section 216 of the external power source 210 is such that the central pair are power supply terminals ta, tb, the leftmost terminal is a signal terminal tc for the object sensor 232, the second terminal from the left is a signal terminal tb for the temperature sensor 234, the rightmost terminal is a signal terminal te for the camera 236, and the second terminal from the right is a signal terminal td for another sensor (not shown). In the applicator 220B, the terminal Tb for the mounted temperature sensor 234 is disposed in the second position from the right as shown in FIG. 6, and by connecting the connector section 216 of the external power source 210 to the connector section 240B, the power supply terminal and the signal terminal for the temperature sensor are connected simultaneously.

[0041] Similarly, connector section 240C of applicator 220C equipped with camera 236 has a signal terminal Te for the camera arranged at the left end as shown in Fig. 6, and a power supply terminal and a camera terminal are connected by connecting connector section 240C to connector section 216 on the external power source 210 side. Since applicator 220D is not equipped with a sensor or a camera, connector section 240D only has power supply terminals Ta1 and Ta2 arranged at the center as shown in Fig. 6, and power can be supplied by connecting connector section 216 on the external power source side.

[0042] As described above, according to the second embodiment, the power cable 212 of the external power source 210 is a composite cable of a power cable and a signal line, and the power terminals and signal terminals of the connector unit 216 on the external power source side are arranged so that they can be connected to the power terminals and signal terminals of the connector unit on the applicator side even when the connector unit 216 is connected to any one of the connector units 240A-240D of the multiple applicators 220A-220D. Therefore, in addition to the effects of the first embodiment described above, even if the applicator is equipped with a sensor or a camera, the structure around the cable can be simplified and multiple applicators can be easily used. In addition, it is also possible to provide various sensors, cameras, etc. on the applicators 220A-220D side, transmit output signals, etc. to the outside, and instruct the setting and correction of heating conditions according to the detection results. EXAMPLES

[0043] Next, a third embodiment of the present invention will be described. In the second embodiment described above, the power cable 212 is fixed to the external power source side, and the connector portion 216 can be connected to any of the connector portions 240A to 240D of the applicators 220A to 220D. However, this embodiment is an example of another connection mode. First, the example shown in FIG. 7(A) is an example in which a power cable is provided on the applicator side, and a power cable 212A is provided on the applicator 220Aa side, and a connector portion 240P having a terminal arrangement similar to that of the connector portion 240A is provided at the tip of the power cable. The power cable 212A is a composite cable in which the power cables ca1 and ca2 and the signal line cc for the object sensor 232 are bundled together. Similarly, power cables and connector portions are provided for the other applicators 220B to 220D. Then, a connector portion 216P having a terminal arrangement similar to that of the connector portion 216 is provided on the external power source 210 side. With this configuration, the applicator can be easily replaced by simply connecting the power cable on the applicator side to the external power source 210. Although not shown in the drawings, the power cable and the applicator may be configured to be detachable.

[0044] Alternatively, as shown in the example of Fig. 7(B), the power cable 212P, one end of which is connected to the applicator side, may be configured to include the power cables ca1, ca2 and all the signal lines cb to ce on the applicator 220Ab side as shown in the example of Fig. 5, and a connector section 217 having a terminal arrangement corresponding to the connector section 216 may be provided on the other end, and connected to the connector section 216P on the external power source 210 side. Also, as shown in Fig. 7(C), the power cable 212P may be provided with connector sections 216, 217 on both ends, and the connector section 216P may be provided on the external power source 210 side. According to the example shown in Fig. 7(B), the same power cable 212P can be used for all the applicators, and according to the example shown in Fig. 7(C), only one power cable 212P can be used by switching between a plurality of applicators and external power sources. EXAMPLES

[0045] Next, a fourth embodiment of the present invention will be described. FIG. 8 shows an applicator of this embodiment, in which (A) shows the main configuration of the applicator 300, (B) shows a cross section perpendicular to the rotation axis direction of the magnetic field generating roll, and (C) shows the entire magnetic field generating roll. As shown in these figures, the applicator 300 has a handle 304 and a power button 306 on the upper surface 302A of a case 302, and inside the case 302, magnetic field generating rolls 310A and 310B equipped with IH coils and resonance capacitors 320A and 320B for adjusting the power supplied to the magnetic field generating rolls 310A and 310B are provided. In addition, an object sensor 232, a temperature sensor 234, and a camera 236 are provided as necessary. A connector section 240 for connecting with the connector section 216 of the external power source 210 is formed at the rear of the case 302. The connector portion 330 has a pair of terminal portions for power supply, as well as signal terminals for the object sensor 232, temperature sensor 234, and camera 236, which are arranged so as to match the positions of the terminal portions on the external power supply 210 side depending on the installed equipment.

[0046] The shafts 314 of the magnetic field generating rolls 310A and 310B are supported inside the applicator 300 so as to be rotatable and movable up and down. As shown in FIG. 8B, the magnetic field generating rolls 310A and 310B are structured such that a plurality of IH coils 318 are provided on the surface of a substantially cylindrical rotating roll 312. A ferrite plate 319 or the like is provided on the upper inside of the case 302 of the applicator 300 as necessary to prevent the diffusion of electromagnetic waves generated from the IH coil 318. In the example shown in FIG. 8B, the IH coil 318 is formed in a planar spiral shape on the surface of the rotating roll 312, centered on a plurality of protrusions 316 provided at substantially equal intervals in the circumferential direction of the shaft 314. The surfaces of the magnetic field generating rolls 310A and 310B are covered with a heat-resistant sheet 322 or the like so that the IH coil 318 does not directly contact the object to be heated.

[0047] 8(C), a plurality of rows of IH coils 318 may be arranged on the surface of the rotating roll 312. Ferrite 324 or the like may be provided between the IH coils 318 and the rotating roll 312 as a safety measure and electromagnetic wave shielding, as shown in FIG. 8(B). The magnetic field generating rolls 310A and 310B are supported inside the case 302 rotatably and vertically movable by receiving shafts 314 provided on both end faces of the rolls in oblong holes 308 formed in side faces 302B and 302C (302C is not shown) of the case 302.

[0048] A pressure roller 340 is provided at the rear of the interior of the applicator 300 (on the right side of FIG. 8A) for performing pressure bonding on the object heated by the magnetic field generating rolls 310A and 310B. The pressure roller 340 is provided across a pair of side surfaces 302B and 302C of the case 302, and is supported rotatably and vertically movable by receiving an axis 344 provided on both end surfaces in an elongated hole 350 provided in the side surfaces 302B and 302C. As shown in FIG. 8A, a spring 352 for biasing the axis 344 is provided in the elongated hole 350, or a spring 354 for biasing the axis 344 is provided inside the case 302, thereby enabling pressure bonding even if the object has an uneven surface. The pressure roller 340 as described above may be provided as necessary, and may be configured to be removable.

[0049] 8(A), the applicator 300 further includes the above-mentioned object sensor 232, temperature sensor 234, and camera 236 as necessary. The object sensor 232 detects whether or not a heating conductor is present on the side of the object 360 against which the applicator 300 is to be brought into contact, and if so, detects its type and position (depth). Using the detection result of the object sensor 232, the output of the high frequency current supplied to the IH coil 318 is controlled so as to achieve optimal heating conditions.

[0050] The temperature sensor 234 corrects the optimum heating conditions calculated based on the detection result of the object sensor 232. The camera 236 takes an image of the vicinity of the applicator 300, for example, an image of a portion where the magnetic field generating rolls 310A and 310B are in contact, and controls the output of high frequency current supplied to the magnetic field generating rolls 310A and 310B.

[0051] Next, the operation of this embodiment when the applicator 300 is used will be described. As shown in Fig. 7(A), objects 360, 362 are stacked with an adhesive 364 having a metal layer 366 sandwiched therebetween, and the applicator 300 is applied to the surface of the object 360, for example. Then, the power button 306 is pressed to transmit radio waves from the object sensor 232 to the object 360, and the optimum heating conditions are calculated on the terminal 252 of the operator 250 side as described above, and the output of the high frequency current supplied from the external power source 210 to the IH coils 318 of the magnetic field generating rolls 310A, 310B is adjusted based on the calculation results.

[0052] When current is supplied to the IH coil 318, the metal layer 366 in the adhesive 364 generates heat, the adhesive 364 is heated, and the heated adhesive 364 is in a melted state, and the object 360 is pressed against the object 362 by the pressure roller 340. This allows the steps from heating to bonding to be performed continuously. In this embodiment, when the output of high frequency current is controlled based on the detection result by the object sensor 232, feedback is applied based on the output of the temperature sensor 234. When an instruction is given from the terminal 252 regarding heating conditions, etc., the instruction is reproduced or the heating conditions are modified based on the instruction.

[0053] The pressure roller 340 may be rotated by a motor (not shown) or the like to self-propel the applicator 300. When heating is performed manually, the speed at which the applicator slides varies depending on the worker, which may result in uneven heating. However, by self-propelling the pressure roller 340 in this way, uneven heating can be suppressed and heating can be made uniform.

[0054] FIG. 9 shows a modified example of the fourth embodiment. In the applicator 400 shown in FIG. 9(A), a handle 404 is provided on the upper surface of a case 402, and flat spiral IH coils 406A, 406B are provided on the bottom surface (resonant capacitors are omitted). The case 402 is also provided with a pressure roller 340, as in the previous embodiment. The pressure roller 340 is disposed in an opening 408 formed on one end side of the case 402 (the right side in the example of FIG. 9), and can be pressed against a heating target. By pressing the pressure roller 340 against a heating target, it is rotated by a motor (not shown) or the like, and the applicator 400 moves by itself in the direction of the arrow F9.

[0055] Applicator 420 shown in FIG. 4B has coil head 424 mounted on case 422 provided with handle 421, and planar spiral IH coils 426A, 426B, and 426C are provided on coil head 424. Resonant capacitors are not shown, but may be provided for each IH coil, or may be common to all IH coils. One IH coil may be provided within another IH coil. As described above, when multiple IH coils are provided, a heating distribution suited to the target object can be obtained by devising the arrangement and coil shape. EXAMPLES

[0056] Next, a fifth embodiment will be described with reference to FIG. 10. The following embodiment is an example of a cordless system. FIG. 10 shows an electromagnetic induction heating device 500 of this embodiment, which is shaped like an iron as a whole. A handle 520 for one-handed operation is provided on the upper part of a main body 510, and a coil head 530 is provided on the lower part. A battery 512, a charger 513, a high-frequency generating circuit 514, a microcomputer 516, and a tag reader / writer 517 are provided inside the main body 510. A resonance circuit 532 and an IH coil (induction heating coil) 534 are provided in the coil head 530. If necessary, a metal plate 536 is provided on the heating surface side. By providing the metal plate 536, it can also function as an iron, soldering or brazing head.

[0057] A plug receptacle 518 is provided on the main body 510, while a plug 538 is provided on the coil head 530, which is detachable from the plug receptacle 518 of the main body 510. The plug receptacle 518 and the plug 538 not only electrically connect the coil head 530 to the main body 510, but also mechanically connect them. A heat sink 540 is provided on the side of the main body 510.

[0058] Among the above components, the battery 512 of the main body 510 is for supplying power to drive the high frequency generating circuit 514 and the microcomputer 516, and in this embodiment, the battery 512 can be charged from an external commercial power source 550 by a charger 513. The microcomputer 516 has a function of controlling the driving of the high frequency generating circuit 514 in order to appropriately heat the IH coil 534. At that time, by using a tag reader / writer 517, the microcomputer 516 also has a function of outputting the energization conditions and energization history for the IH coil 534 to an external electronic tag (or microchip) 552, or inputting the energization conditions and energization history recorded from the electronic tag 552.

[0059] The electronic tag 552 is attached to the portion to be heated by the electromagnetic induction heating device 500, and stores the energization conditions and energization history of the heating process. By referring to this, it is possible to know the conditions for the next heating process.

[0060] Coil head 530 is for contacting and heating object 560, and resonant circuit 532 is for adjusting the characteristics of IH coil 534. IH coil 534 heats object 560 when it is metal, and heats metal plate 536 when it is present. Coil head 530 is detachable from main body 510, allowing an appropriate coil head to be selected for the object to be processed. Handle 520 is shaped like an iron, and is provided with switch 522 for energizing IH coil 534.

[0061] Next, the operation of this embodiment will be described. An operator selects an appropriate coil head 530 according to the object to be heated and attaches it to the main body 510. Then, he places the coil head 530 on the object to be heated and presses the switch 522 on the handle 520. Then, electricity is passed from the battery 512 to the high-frequency generating circuit 514, and the high-frequency current passes through the resonance circuit 532 and flows to the IH coil 534. The current flow conditions at this time, such as the current amount and frequency, are controlled by the microcomputer 516. When electricity is passed through the IH coil 534, the object to be heated 560 generates heat by induction heating, or the metal plate 536, if present, generates heat.

[0062] In this case, when electronic tag 552 is embedded in heating target 560, microcomputer 516 reads the recorded information and refers to it to determine the energization conditions for IH coil 534. Furthermore, when processing is completed, the energization conditions and energization history for IH coil 534 are output to and recorded in electronic tag 552. In this way, by using electronic tag 552, the conditions of the heat processing performed on the processed part are recorded, and by reading them out at the time of the next processing and setting new energization conditions by referring to the read energization conditions, more appropriate heat processing can be performed.

[0063] When a commercial power source 550 is available nearby, it may be used to energize the IH coil 534 instead of the battery 512, and the battery 512 may be charged by the charger 513 as described above.

[0064] As described above, in this embodiment, since the heating is driven by the battery 512 built into the main body 510, no cable for connecting to a power source is required. This makes it extremely easy to move the electromagnetic induction heating device 500, and has excellent portability, which is particularly convenient for heating work in narrow places, and greatly improves workability. In addition, since the current supply conditions are controlled using the microcomputer 516 and the electronic tag 552, heating processing can be performed under optimal conditions, and even unskilled people can work well. Furthermore, by selecting and replacing the appropriate coil head 530 according to the heating object, efficient heating of the processing object can be performed. Note that the object may be bonded by heating, or the object may be peeled off or disassembled. The battery 512 may be used to charge a smartphone or provide lighting, etc. EXAMPLES

[0065] Next, a sixth embodiment of the present invention will be described with reference to Figs. 11 and 12. Fig. 11 shows the external shape of an electromagnetic induction heating device 600 of this embodiment, and Fig. 12 shows the circuit configuration. The basic configuration is the same as that of the sixth embodiment described above, but this embodiment has a pistol-like shape as a whole, and is composed of a main body 610, a handle 620, and a coil head 630. Of these, the main body 610 has a plug receiving portion 611 on the upper side facing the front direction, and a plug receiving portion 612 is exposed. In addition, a power switch 613 is provided on the rear side of the main body 610, a heat sink 640 is provided below the plug receiving portion 611, and an energization switch 614 is provided at the trigger portion.

[0066] The coil head 630 includes a head portion 631 and a plug portion 632, and the plug portion 632 is adapted to be inserted into a plug receptacle 611 of the main body 610. An IH coil 634 and a resonant circuit 636 are provided inside the coil head 630, and a plug 638 is provided at the tip of the plug portion 632. When the plug portion 632 is inserted into the plug receptacle 611 of the main body 610, the plug 638 is electrically connected to the plug receptacle 612. In this embodiment, the mechanical connection is mainly performed by the plug receptacle 611 and the plug portion 632. If necessary, a metal plate 633 is provided at the head tip.

[0067] Next, a high frequency generating circuit 615, a microcomputer 616, and a tag reader / writer 617 are provided inside the main body 610. Meanwhile, a battery box 621 is provided at the lower end of the handle 620, and stores a battery 622 and a charger 623. The battery 622 may be built into the handle 620 like a magazine.

[0068] The basic operation of this embodiment is the same as that of the previous embodiment. The operator selects an appropriate coil head 630 according to the object to be heated, and inserts its plug 632 into the plug receptacle 611 of the main body 610. This connects the plug 638 to the plug receptacle 612. When the power switch 613 is turned on, driving power is supplied from the battery 622 to each part, and the device is put into operation. The operator then places the coil head 630 against the object to be heated, and presses the current switch 614 of the handle 620. Then, a high-frequency current flows from the high-frequency generating circuit 615 through the resonant circuit 636 to the IH coil 634. The current flow conditions, such as the current amount and frequency, at this time are controlled by the microcomputer 616. When the IH coil 634 is energized, the object to be heated is heated by induction heating, or the metal plate 633, if present, is heated. The other operations are the same as those of the previous embodiment.

[0069] According to this embodiment, the tip of the pistol shape is pressed against the heating target, so that the heating target can be heated in a concentrated manner. In addition, since the head portion 631 of the coil head 630 is provided at the tip of the insertion portion 632, the coil head 630 can be inserted into a small space to perform heating treatment. Other effects are the same as those of the previous embodiment. EXAMPLES

[0070] Next, with reference to FIG. 13, a seventh embodiment of the present embodiment will be described. This embodiment is an example in which sensor units such as the object sensor 232, the temperature sensor 234, and the camera 236 described above are provided in the sixth embodiment. In the figure, the electromagnetic induction heating device 700 is composed of a main body 710, a handle 720, and a coil head 730. A plug receptacle 612 is provided in the front direction of the main body 710, and a plug 638 of the coil head 730 is inserted into the plug receptacle 612. The main body 710 is provided with a high frequency generating circuit 615, a power switch 613, a microcomputer 616, a tag reader / writer 617, a heat sink 640, a sensor unit 712, and a communication unit 714. The sensor unit 712 may be provided on the coil head 730 side. The handle 720 is provided with a power switch 614 and a battery 722.

[0071] Of the above units, the sensor unit 712 corresponds to various sensors in addition to the above-mentioned object sensor 232, temperature sensor 234, and camera 236 as an imaging sensor. The communication unit 714 is for communicating with the remote control unit 750. The battery 722 is a dry cell or a rechargeable battery, and may include a charger.

[0072] On the other hand, the remote control unit 750 includes a communication unit 752, a calculation unit 754, a storage unit 756, and a learning unit 758. Of these, the communication unit 752 is for communicating with the communication unit 714 of the main body 710 of the electromagnetic induction heating device 700 described above. The calculation unit 754 is for calculating, for example, optimal heating conditions by referring to data obtained through the communication unit 714 and data in the storage unit 756. The storage unit 756 is for storing data received by the communication unit 714 and data of the calculation results by the calculation unit 754. The learning unit 758 functions as an AI (artificial intelligence) and learns from data of past heating conditions to obtain optimal heating conditions. With these, the remote control unit 750 has a function of remotely operating or remotely instructing the main body 710 of the electromagnetic induction heating device 700, issuing safety warnings, and performing remote inspections. Specifically, the remote control unit 750 is configured by a computer system. It may be an information terminal such as a smartphone or a tablet. Therefore, the functions including the AI ​​of the remote control unit 750 may be incorporated into the microcomputer 616 .

[0073] Next, the operation of this embodiment will be described. The basic operation is similar to that of the above-described embodiment, but depending on the type of sensor unit 712, there are the following modes. a, When the sensor unit 712 is an object sensor: The sensor unit 712 detects whether or not there is a heating conductor on the side of the object against which the coil head 730 is to be abutted, and if so, its type and position (depth). The detection result is transmitted from the communication unit 714 to the communication unit 752 of the remote control unit 750, and stored in the memory unit 756. The memory unit 756 also stores data read by the tag reader / writer 617 and data of the learning result by the learning unit 758. With reference to each of these data, the calculation unit 754 calculates optimal heating conditions, and transmits them to the microcomputer 616 via the communication units 752 and 714. Based on the received data, the microcomputer 616 drives and controls the high frequency generating circuit 615 so as to achieve optimal heating conditions, and energizes the coil head 730. b. When the sensor unit 712 is a temperature sensor: the sensor unit 712 detects the temperature of the object to be heated, and based on the result, corrects the heating conditions set by the microcomputer 616. Alternatively, if the temperature of the object to be heated exceeds a predetermined temperature, a safety warning to that effect is issued. c. When the sensor unit 712 is a camera: The sensor unit 712 takes an image of the area where the coil head 730 is in contact. The taken image data is transmitted to the remote control unit 750 and stored in the memory unit 756. The image data is then used to calculate optimal heating conditions in the calculation unit 754. The image may be displayed on a display (not shown) provided on the main body 710 or the remote control unit 750. d) Based on the data obtained by the sensor unit 712, the state of the object after heating may be detected, and the remote control unit 750 may remotely inspect whether the processing has been performed appropriately.

[0074] Other Examples The present invention is not limited to the above-described examples, and various modifications can be made without departing from the spirit and scope of the present invention. For example, the following are included. (1) The shapes and dimensions shown in the above embodiments are also examples and may be changed as appropriate as necessary. For example, the shapes and dimensions of the coil head and IH coil shown in the above embodiment 1 are also examples and may be changed as appropriate as necessary. For example, the coil head in the above embodiment 1 is disk-shaped, but it may be a rectangular parallelepiped coil head. (2) The connector portion shown in the above embodiment is also an example, and the design can be appropriately changed within a range that produces the same effect. For example, in the above embodiment 1, the external power supply side is a plug and the applicator side is a socket, but the reverse is also possible. In addition, the male and female terminals may be reversed, or a connection form other than male and female may be used. (3) The number of applicators shown in the above embodiment is also one example, and the number may be increased or decreased as needed, for example, 20 to 30 applicators may be used.

[0075] (4) The planar spiral IH coils 40A to 40E shown in the first embodiment are also examples, and can be modified as appropriate within a range that provides the same effect. For example, the IH coil 110A shown in Fig. 3(C-1) has a structure in which a winding 114 is wound around a rectangular parallelepiped core 112A. The IH coil 110B shown in Fig. 3(C-2) has a shape in which the winding 114 is wound around a roughly U-shaped core 112B, and the IH coil 110C shown in Fig. 3(C-3) has a shape in which the winding 114 is wound around a roughly E-shaped core 112C. (5) The external power source 10 shown in the first embodiment may be a fixed power source, or may be a mobile or portable power source. (6) In the above embodiment, the coil head is fixed to the applicator case. However, this is only one example. The range of use can be further expanded by configuring a coil head equipped with another IH coil with the same power consumption to be detachable from the applicator.

[0076] (7) In the first embodiment, induction heating is performed using the metal plate 60 on the heating target side, but as shown in Figs. 4(B) to (D), induction heating may be performed by providing metal plates 66, 67 on the coil head 26 side. Alternatively, if the adhesive 64 contains a conductive material, adhesion is possible without providing a metal plate on either the coil head 26 side or the adhesion target side. Furthermore, the present invention can be used not only for metal plates, but also for adhesion of wood, plywood, resin boards, tiles, etc., and further can be applied not only to adhesion but also to multipurpose processing such as deformation. (8) In the above embodiment, one sensor or camera is provided on one applicator, but this is also one example and does not preclude providing multiple sensors or cameras on one applicator, and by appropriately setting the arrangement of the terminals of the power supply side connector and the applicator side connector, the same effect as in the above embodiment 2 can be obtained. Also, in the above embodiment 2, a six-terminal structure is given as an example, but this is not limiting, and the number of terminals and their arrangement can be changed appropriately depending on the number and type of applicators used. (9) The circuit configuration shown in the above embodiment is also an example, and the resonant circuit is configured with a resonant capacitor, but the resonant capacitor may be arranged in series or in series-parallel. Also, one applicator may be provided with multiple resonant capacitors as necessary.

[0077] (10) The applicator 300 in Fig. 8 shown in the fourth embodiment is also an example, and is not limited to the form shown in the figure, and may be appropriately modified as necessary. For example, the pressure roller 340 is an example, and the pressure roller 340 may be provided as needed, and may be configured to be detachable depending on the application. (11) In all of the above embodiments, the applicator is a handheld type having a handle. However, this is only one example. For example, the applicator may be provided at the end of a rod (handle), or may be attached to a robot, various processing equipment, etc. (12) In the second embodiment, as shown in Fig. 5, the control unit 254 on the side of the terminal 252 connectable to the external power source 210 via the Internet 260 calculates the optimal conditions based on the sensor output provided in the applicator and the image captured by the camera, but the control unit 218 having the same function may be provided on the side of the external power source 210. In addition, the types of sensors and the control based on the outputs thereof shown in the second embodiment are also examples, and the design can be appropriately changed as necessary.

[0078] (13) In the above embodiment, an example of bonding objects together has been shown, but the bonded objects may be heated to peel them off or dismantle them. The present invention is also applicable to work on ceilings, walls, floors, etc., as well as floors, walls, and ceilings of structures and buildings in general, and to the construction and repair of tunnels, sewer pipes, bridges, soundproof walls, etc. In particular, according to the form of embodiment 2, remote instruction and remote operation are possible, making it suitable for work in dangerous places and parts. (14) The microcomputers 516, 616 or programs shown in the above embodiments may be made interchangeable, so that a microcomputer or program with optimal conditions may be selected according to the object to be heated. (15) The working environment of the present invention can be any environment, such as inside a factory or at a construction site, as well as in mountains, rivers, beaches, pastures, etc. Also, the present invention can be applied to various heat processes such as handicrafts, and the manufacture of shoes and bags. [Industrial Applicability]

[0079] According to the present invention, various IH coils are prepared, and a resonant circuit is provided for each IH coil, and multiple IH coils can be switched and used according to the purpose and the object to be heated, so that processing can be performed under optimal conditions. Also, the driving power source is built into the applicator, so that portability, carrying, operability, and workability can be improved. By using electronic tags, Since processing can be performed under optimal conditions, it is suitable for various types of electromagnetic induction heating. [Explanation of symbols]

[0080] 10: External power supply 12: Power cable 14,56: Connector part 20A~20E: Applicator 22: Case 22A, 22B: Main surface 24: Toride 26: Coil Head 26A: Surface 28: Case 29: Recess 32: Spacer 34: Resin plate 36: Cap 36A: Side 38: Convex 40A~40E: IH coil 42: End 44: End 46, 48: Lead wire 50A~50D: Resonant capacitor 52,54: Wiring 56: Connector part 60: Metal plate 62, 68: Resin plate 64,65: Adhesive 66,67:Metal plate 66A: Unevenness 70: Applicator 72: Case 74: IH coil 76: Resonant capacitor 80: Coil head 82: Case 84: Bottom 86:Taper 88: Side 90: Coil head 92: Case 94: Bottom 96: Curved surface 98: Side 100: Electromagnetic induction heating device 110A~110C: IH coil 112A~112C: Core 114: Winding 200: Electromagnetic induction heating system 202: Electromagnetic induction heating device 210: External power supply 212, 212A, 212P: Power cable 214: Coating 215: High frequency generating circuit 216, 216P, 217: Connector part 218: Control unit 220A~220D: Applicator 222: Case 224: Power button 226: Memory 228A~228D: IH coil 230A~230D: Resonant capacitors 232: Object sensor 234: Temperature sensor 236: Camera 240A~240D, 240P: Connector section 250: Operator 252: Terminal 254: Control unit 256: Display section 258: Input section 260: Internet 300: Applicator 302: Case 302A:Top surface 302B, 302C: Side 304: Toride 306: Power button 308: Slotted hole 310A, 310B, 310C: Magnetic field generating roll 312: Rotating roll 314: Axis 316: Protrusion 318: IH coil 319: Ferrite plate 320A, 320B: Resonant capacitor 322: Heat-resistant sheet 324: Ferrite 330: Connector part 340: Pressure roller 344: Axis 350: Slotted hole 352: Spring 354: Spring 360,362: Object 364: Glue 366: Metal layer 400: Applicator 402:Case 404: Toride 406A, 406B: IH coil 408: Opening 420: Applicator 421: Toride 422: Case 424: Coil head 426A~426C: IH coil 500: Electromagnetic induction heating device 510: Main unit 512:Battery 513: Charger 514: High frequency generating circuit 516: Microcomputer 517: Tag reader / writer 518: Plug holder 520: Handle 522: Switch 530: Coil head 532: Resonant circuit 534: IH coil 536: Metal plate 538: Plug 540: Heat sink 550: Commercial power supply 552: Electronic tag 560: Heating target 600: Electromagnetic induction heating device 610: Main unit 611: Insertion receiving part 612: Plug holder 613: Power switch 614: Power switch 615: High frequency generating circuit 616: Microcomputer 617:Dagrida / Writer 620: Handle 621: Battery box 622:Battery 623: Charger 630: Coil head 631: Head 632: Insertion part 633: Metal plate 634: IH coil 636: Resonant circuit 638: Plug 640: Heat sink 700: Electromagnetic induction heating device 710: Main unit 712: Sensor section 714: Communications Department 720: Handle 722:Battery 730: Coil head 750: Remote control section 752: Communications Department 754: Arithmetic section 756: Storage section 758: Learning Department

Claims

1. An electromagnetic induction heating device that heats an object by electromagnetic induction by passing a high-frequency current through an IH coil, The device has a main body and a coil head equipped with the IH coil, The coil head is detachable from the main body, The body includes: a high frequency generating circuit for generating the high frequency current; A current control means for setting the current conditions for the induction heating coil by the high frequency generating circuit; Equipped with The electromagnetic induction heating device is characterized in that the power supply control means is equipped with a tag reader, and when an electronic tag recording the power supply conditions at the time of the previous heating is embedded in the processing area, the power supply conditions are read by the tag reader, and the power supply conditions for the IH coil are set by referring to the read power supply conditions.

2. An electromagnetic induction heating device that heats an object by electromagnetic induction by passing a high-frequency current through an IH coil, The device has a main body and a coil head equipped with the IH coil, The coil head is detachable from the main body, The body includes: a high frequency generating circuit for generating the high frequency current; A current control means for setting the current conditions for the induction heating coil by the high frequency generating circuit; Equipped with An electromagnetic induction heating device characterized in that the power supply control means is equipped with a tag writer, and when an electronic tag is embedded in the processing area, the power supply conditions when heating the processing area are written by the tag writer.

3. 3. The electromagnetic induction heating device according to claim 1, wherein a power source for driving the device is provided in the main body, so that the device can be used cordlessly.

4. 4. The electromagnetic induction heating device according to claim 1, wherein the coil head includes a resonance circuit for adjusting the characteristics of the IH coil.

5. 5. The electromagnetic induction heating device according to claim 1, wherein the current control means records a history of current flow to the IH coil.

6. The power supply control means includes a communication means, 6. The electromagnetic induction heating device according to claim 1, wherein current supply conditions for the IH coil are transmitted and received from an external device.

7. 7. The electromagnetic induction heating device according to claim 1, further comprising a heat sink provided on the main body for dissipating heat from the IH coil.

8. 8. The electromagnetic induction heating device according to claim 1, wherein a metal to be induction heated is provided on a surface of the coil head that comes into contact with an object to be heated.

9. 9. An electromagnetic induction heating device according to claim 8, wherein said metal serves as a head for ironing, soldering or brazing.

10. 10. The electromagnetic induction heating device according to claim 1, further comprising a sensor unit provided in either the main body or the coil head.

11. The sensor unit is An object sensor that detects the presence or absence of a heating conductor on the heating object side; A temperature sensor that detects the temperature of the heating object; An imaging sensor for imaging the heating target; 11. The electromagnetic induction heating device according to claim 10, comprising at least one of the following:

12. The electromagnetic induction heating device according to claim 10 or 11, a heating condition setting means for setting heating conditions for the coil head by utilizing a detection result of the sensor unit; An electromagnetic induction heating system comprising:

Images