WO2021187689A1 - Dispositif de chauffage de canette - Google Patents

Dispositif de chauffage de canette Download PDF

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Publication number
WO2021187689A1
WO2021187689A1 PCT/KR2020/011491 KR2020011491W WO2021187689A1 WO 2021187689 A1 WO2021187689 A1 WO 2021187689A1 KR 2020011491 W KR2020011491 W KR 2020011491W WO 2021187689 A1 WO2021187689 A1 WO 2021187689A1
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WO
WIPO (PCT)
Prior art keywords
working coil
bobbin
accommodated
pulse signal
switching elements
Prior art date
Application number
PCT/KR2020/011491
Other languages
English (en)
Korean (ko)
Inventor
문현욱
김완수
김의성
김양경
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020200092995A external-priority patent/KR20210117900A/ko
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2021187689A1 publication Critical patent/WO2021187689A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/24—Warming devices
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F9/00—Details other than those peculiar to special kinds or types of apparatus
    • G07F9/10—Casings or parts thereof, e.g. with means for heating or cooling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/04—Sources of current
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements

Definitions

  • the present invention relates to a can heating apparatus capable of simultaneously heating a plurality of cans and rapidly increasing the temperature of the plurality of cans.
  • a heating device for beverage cans used in convenience stores, etc. accommodates a plurality of beverage cans therein, and heats the accommodated beverage cans to a predetermined temperature to increase or maintain the temperature of the beverage cans.
  • the user takes out the beverage can from the heating device and drinks the beverage contained in the beverage can.
  • the heating device of the beverage can it is important for the heating device of the beverage can to quickly heat the beverage can to a temperature desired by the user.
  • a temperature sensor or the like for measuring the temperature of the beverage can is used.
  • FIG. 1 is a view showing the structure of a conventional induction heating device for heating a beverage can.
  • FIG. 1 is an extract of FIG. 1 of US registered patent US9674900. Reference numerals shown in FIG. 1 limit only the components of FIG. 1 .
  • a resealable can 1 is accommodated in a can holder 6 , and a heating coil 9 is disposed on a side surface of the can holder 6 .
  • the heating coil 9 heats the can 1 accommodated in the can holder 6 .
  • a motor 7 is connected to the bottom 11 of the can holder 6, and based on the driving of the motor 7, the can holder 6 rotates about the central axis A, and thus the can ( 1) is rotated.
  • the radiation thermometer 10 measures the temperature of the cap 3 of the can 1 , and when the measured temperature is the set temperature, the can holder 6 and the can 1 stop rotating.
  • Figure 2 is a view showing the structure of another conventional beverage can heating device.
  • FIG. 2 is an extract of FIG. 1 of Japanese registered patent JP3259808. Reference numerals shown in FIG. 2 limit only the components of FIG. 2 .
  • a cylindrical can guide 4 is disposed on the rotating table 5 , and the can 3 is accommodated in a space formed by the can guide 4 and the rotating table 5 .
  • a heating coil 2 is disposed adjacent to the side of the can guide 4 , and the heating coil 2 heats the accommodated can 3 .
  • a rotary table motor 6 is connected to the lower portion of the rotary table 5 , and the rotary table 5 rotates based on the driving of the rotary table motor 6 , and accordingly the can 3 rotates.
  • the radiation temperature sensor 7 measures the temperature of the side of the can 3 .
  • the barcode reader 19 identifies the barcode including information such as the contents, price, and date of manufacture of the can 3 , and the manager manages the can 3 using the information included in the barcode.
  • Figure 3 is a view showing the structure of another conventional beverage can heating device.
  • FIG. 3 is an extract of FIG. 1 of Japanese registered patent JP3706928. Reference numerals shown in FIG. 3 limit only the components of FIG. 3 .
  • the can 50 containing the beverage 5 is horizontally disposed, and the heating coil 1 is disposed adjacent to the can 50 .
  • the heating coil 1 heats the can 50 .
  • the side of the can 50 is in contact with the rollers 2 and 3, and among the contacted rollers 2 and 3, the roller 2 is connected to the motor 4, and based on the operation of the rollers 2 and 3,
  • the can 50 rotates. As the can 50 rotates, the temperature of the contents contained in the can 50 rapidly increases.
  • the temperature sensor 7 measures the temperature of the tip of the can 50 .
  • the heating time of the can 50 is determined based on the measured temperature.
  • the conventional can heating apparatus mentioned above has a disadvantage in that the temperature of the can cannot be rapidly increased because the heating coil and the can are somewhat far apart.
  • a conventional can heating apparatus may include two or more induction heating apparatuses, and two or more induction heating apparatuses may be used to heat two or more cans.
  • a conventional can heating apparatus must include each heating coil and a corresponding inverter.
  • the structure of the device is complicated, the size of the device is increased, and the manufacturing cost is increased.
  • the conventional can heating apparatus has a problem in that heating of the two or more cans is completed at different times. That is, each of the two or more cans may have different optimum temperatures, and when heating is completed at different times, an administrator may experience difficulty in managing the cans.
  • Another object of the present invention is to provide a can heating apparatus having a simple and slim structure.
  • the can heating apparatus may complete heating of the plurality of cans within a target time defined for each can by comparing the detected temperature value and the target temperature value of each of the plurality of cans.
  • the can heating apparatus can easily set the output value of the working coil group by reading the information code attached to the can.
  • the can heating apparatus can simultaneously heat a plurality of cans by efficiently setting a connection relationship between a plurality of switching elements and a plurality of working coil groups in a driving circuit unit.
  • the can heating apparatus heats a plurality of cans using one inverter, thereby simplifying the structure of the driving circuit unit.
  • the can heating apparatus can accommodate cans of various diameters by dividing the bobbin into a plurality of sub-bobbins.
  • the can heating apparatus may rotate the accommodated can by using a roller.
  • a can heating apparatus includes a plurality of can accommodating parts accommodating a plurality of cans, a plurality of working coils disposed adjacent to each of the plurality of can accommodating parts, and temperature of each of the plurality of cans.
  • a plurality of temperature sensors for sensing and a driving circuit unit for driving each of the plurality of working coils
  • the driving circuit unit includes an inverter providing driving power to each of the plurality of working coils including the plurality of switching elements and the and an inverter controller for controlling turn-on and turn-off of a plurality of switching elements, wherein the inverter controller compares the detected temperature values of each of the plurality of cans with a plurality of target temperature values respectively corresponding to the plurality of cans.
  • a switching control signal for allowing each of the plurality of cans to complete heating within a corresponding target time is provided to the plurality of switching elements, and an output value of each of the plurality of working coil groups is controlled by the switching control signal.
  • a can heating apparatus includes a bobbin in which a can is accommodated, a lower plate disposed under the bobbin, a working coil wound on an outer surface of the bobbin and heating the accommodated can, A temperature sensor for sensing the temperature of the bottom surface of the accommodated can, a scanning unit for scanning an information code attached to the accommodated can, and a driving circuit unit for driving each of the plurality of working coils, wherein the driving circuit unit detects the can Based on the temperature value and the scanned information code, the working coil is controlled so that the heating of the can is completed within a corresponding target time.
  • the heating of the can can be controlled in a simple manner by setting the output value of the working coil group using the information code attached to the can.
  • the complexity and size of the structure of the can heating apparatus can be reduced by simplifying the structure of the driving circuit unit, and the manufacturing cost of the can heating apparatus can be reduced.
  • all cans of various diameters can be heated by setting the structure of the bobbin to accommodate all cans of various diameters.
  • 1 to 3 are views showing the structure of a conventional can heating apparatus.
  • FIG. 4 is a side cross-sectional view of a can heating apparatus according to an embodiment of the present invention.
  • FIG. 5 is a front cross-sectional view of a can heating apparatus according to an embodiment of the present invention.
  • FIG. 6 is a perspective view of an induction heating device according to an embodiment of the present invention.
  • FIG. 7 is an exploded perspective view of an induction heating device according to an embodiment of the present invention.
  • FIG. 8 is a perspective view illustrating a shape in which a can is accommodated inside an induction heating device according to an embodiment of the present invention.
  • FIG. 9 is a plan view illustrating a concept in which a can is drawn into the interior of an induction heating apparatus according to an embodiment of the present invention.
  • FIG. 10 is a circuit diagram illustrating a schematic structure of a driving circuit unit according to an embodiment of the present invention.
  • 11 to 17 are diagrams illustrating a switching control signal according to an embodiment of the present invention.
  • FIG. 18 is a flowchart of a control method of a can heating apparatus according to an embodiment of the present invention.
  • an arbitrary component is disposed on the "upper (or lower)" of a component or “upper (or below)” of a component means that any component is disposed in contact with the upper surface (or lower surface) of the component. Furthermore, it may mean that other components may be interposed between the component and any component disposed on (or under) the component.
  • each component when it is described that a component is “connected”, “coupled” or “connected” to another component, the components may be directly connected or connected to each other, but other components are “interposed” between each component. It is to be understood that “or, each component may be “connected,” “coupled,” or “connected” through another component.
  • FIG. 4 is a side cross-sectional view of the can heating apparatus 100 according to an embodiment of the present invention
  • FIG. 5 is a front cross-sectional view of the can heating apparatus 100 according to an embodiment of the present invention.
  • the can heating apparatus 100 includes a housing 200 , a plurality of covers 300 , a plurality of induction heating apparatuses 400 and a driving circuit unit 600 . includes
  • components included in the can heating apparatus 100 are not limited to the embodiments illustrated in FIGS. 4 and 5 , and some components may be added, changed, or deleted as necessary.
  • the housing 200 forms the body of the can heating device 100 and includes a plurality of internal spaces.
  • a plurality of induction heating devices 400 are positioned in each of the plurality of internal spaces.
  • the housing 200 may be variously modified within the range for accommodating the can heating device 100, but in the embodiment of the present invention, for convenience of description, the components shown in FIGS. 4 and 5 will be described as examples. decide to do
  • Each of the plurality of induction heating devices 400 accommodates the can 500 and heats the accommodated can 500 .
  • Each of the plurality of induction heating devices 400 includes a working coil group (WCG, working coil group). That is, the can heating apparatus 100 includes a plurality of working coil groups WCG.
  • the working coil group WCG includes one or more working coils WC electrically connected to each other. That is, the working coil group WCG may include one working coil WC, or two or more working coils WC electrically connected to each other.
  • each of the plurality of induction heating devices 400 may be inclined at a predetermined angle in the vertical direction of the horizontal line and disposed in a corresponding internal space.
  • the present invention is not limited thereto, and the plurality of induction heating devices 400 may be disposed in a plurality of internal spaces in various postures.
  • the induction heating device 400 may be disposed vertically in the inner space or may be disposed horizontally.
  • a portion of the outer surface of the housing 200 is opened, and the plurality of covers 300 are installed in the open portion of the housing 200 .
  • a plurality of covers 300 can be implemented in various modifications within the technical concept of being installed so as to open and close a part of the outer surface of the housing 200 .
  • Each of the plurality of covers 300 may be disposed to face the open end of the plurality of induction heating devices 400 .
  • the cover 300 When the cover 300 is opened, the can 500 may be accommodated in the induction heating device 400 .
  • the cover 300 may be closed.
  • the driving circuit unit 600 drives a plurality of working coil groups WCG included in each of the plurality of induction heating devices 400 .
  • the driving circuit unit 600 includes one inverter, and provides driving power to the plurality of working coil groups WCG using one inverter. This will be described in more detail below.
  • the can heating apparatus 100 may further include a control unit and an output unit.
  • the control unit performs overall control of heating the can 500 . That is, as will be described below, the controller controls the operation of heating the can 500 .
  • the control unit refers to a processor-based device.
  • the processor may include one or more of a central processing unit (CPU), an application processor, or a communication processor.
  • the output unit is a device for displaying specific information to a user.
  • the output unit may include a display and a speaker.
  • the display may include a liquid crystal display (LCD), a light emitting diode display (LED), an organic light emitting diode display (OLED), and the like, and is a device capable of displaying an image or an image frame to a user.
  • the speaker outputs a sound signal to the user
  • each of the plurality of induction heating apparatus 400 may be the same.
  • the structure and operation of one induction heating device 400 will be described on behalf of the plurality of induction heating devices 400 to understand the convenience of description.
  • FIG. 6 is a perspective view of an induction heating device 400 according to an embodiment of the present invention.
  • 7 is an exploded perspective view of an induction heating device 400 according to an embodiment of the present invention.
  • 8 is a perspective view illustrating a shape in which the can 500 is accommodated in the induction heating device 400 according to an embodiment of the present invention.
  • 9 is a plan view illustrating a concept in which the can 500 is introduced into the induction heating apparatus 400 according to an embodiment of the present invention.
  • an induction heating device 400 includes a bobbin 410 , a working coil group 420 , a lower plate 430 , and a roller (roller) 440, shaft (shaft) 450, motor (motor) 460, rotating plate (rotating plate) (470), bearing (bearing) (480), temperature sensor (temperature sensor) (490) and a scanning unit (Scanner) 495 .
  • the bobbin 410 and the lower plate 430 perform a function of a can accommodating part for accommodating the can.
  • the inside of the bobbin 410 has an empty shape, but the inside shape of the bobbin 410 corresponds to the shape of the can 500 .
  • the inside of the bobbin 410 may have a cylindrical shape. That is, the bobbin 410 has a cylindrical shape with an empty interior.
  • the shape of the bobbin 410 is not limited to the shape shown in FIGS. 6 to 9 , and various shapes may be applied to the bobbin 410 .
  • the upper surface of the bobbin 410 is open, and the can 500 can be drawn in or drawn out through the open upper surface.
  • the lower surface of the bobbin 410 may also be opened. This is because the rotation plate 470 is disposed under the bobbin 410 .
  • a cutout 411 may be formed on the outer surface of the bobbin 410 .
  • the cutout 411 may have a shape of a through hole.
  • the shape of the cutout 411 may be a square shape.
  • the present invention is not limited thereto, and the cutout 411 may have various shapes, such as a circular shape.
  • the number of cutouts 411 may be plural. Since the cutout 411 is formed in the bobbin 410 to bring the roller 440 into contact with the side surface of the can 500 , the number of cutouts 411 may be the same as the number of the rollers 440 .
  • the plurality of cutouts 411 may include one or more first cutouts 4111 and one or more second cutouts 4112 .
  • One or more first cutouts 4111 are disposed in the vertical direction in the first portion of the outer surface of the bobbin 410 .
  • Each of the one or more first cutouts 4111 is a cutout for contacting one or more first rollers 441 described below to the side surface of the can 500 .
  • the one or more second cutouts 4112 are disposed in the vertical direction in the second portion of the outer surface of the bobbin 410 .
  • Each of the one or more second cutouts 4112 is a cutout for contacting one or more second rollers 442 described below to the side surface of the can 500 .
  • the bobbin 410 may be fixedly installed in the inner space of the housing 200 . That is, the bobbin 410 may not rotate.
  • the working coil 420 is wound on the outer surface of the bobbin 410 .
  • the working coil 420 heats the can 500 accommodated in the bobbin 410 .
  • the working coil 420 may be wound in a helical form on the outside of the outer surface of the bobbin 410 .
  • the present invention is not limited thereto, and the working coil 420 may be wound inside the outer surface of the bobbin 410 or may be wound in a spiral form.
  • the working coil group 420 includes one or more working coils WC.
  • One or more working coils WC are disposed on the outer surface of the bobbin 410 .
  • one or more working coils WC may be wound on the outer surface of the bobbin 410 .
  • One or more working coils WC heat the can 500 accommodated in the bobbin 410 .
  • One or more working coils WC may be electrically connected.
  • the one or more working coils WC include a first working coil WC1 wound on the upper portion of the bobbin 410 , a second working coil WC2 wound on the central portion of the bobbin 410 , and the bobbin 410 . It may include a third working coil WC3 wound under the.
  • the present invention is not limited thereto, and the number of one or more working coils WC may be one, two, or four or more. Hereinafter, for convenience of description, it is assumed that the number of the working coils SC is three.
  • the first to third working coils WC1 , WC2 , and WC3 may be connected in parallel. That is, the first to third working coils WC1 , WC2 , and WC3 may receive driving power separately from each other.
  • the first to third working coils WC1 , WC2 , and WC3 may be connected in series. In this case, one driving power may be supplied to all of the first to third working coils WC1 , WC2 , and WC3 .
  • the can 500 can be heated more evenly.
  • One or more working coils WC may be disposed so as not to overlap the cutout 411 . That is, one or more working coils WC may be disposed so as not to interfere with the plurality of cutouts 411 . Accordingly, it is possible to prevent the roller 440 from contacting the working coil WC.
  • One or more working coils WC may be driven by driving power provided by the driving circuit unit 600 .
  • the circuit configuration of the driving circuit unit 600 will be described in more detail below.
  • the lower plate 430 together with the bobbin 410 constitutes a can accommodating part.
  • the lower plate 430 is disposed under the bobbin 410 .
  • the lower plate 430 functions to support the accommodated can 500 under the bobbin 410 .
  • the lower plate 430 does not rotate and may be fixedly installed inside the housing 200 .
  • the lower plate 430 may have a circular shape.
  • the present invention is not limited thereto, and various shapes of the lower plate 430 such as a rectangle may be used.
  • a first hole 431 and a second hole 432 may be formed in the lower plate 430 .
  • the first hole 431 serves to pass the temperature sensing signal radiated from the temperature sensor 490
  • the second hole 432 is a scan signal radiated from the scan unit 470 . function to pass through.
  • the first hole 431 may be formed in a central portion of the lower plate 430
  • the second hole 432 may be formed in an edge portion of the lower plate 430 .
  • the roller 440 rotates the can 500 accommodated in the can accommodating part or performs a function of supporting the accommodated can 500 .
  • the roller 440 is located outside the bobbin 410 and may come into contact with the side of the can 500 accommodated through the cutout 411 .
  • each of the plurality of rollers 440 may be in contact with the side of the can 500 accommodated through the plurality of cutouts 411 .
  • the roller 440 may include a first roller 441 and a second roller 442 . That is, the plurality of rollers 440 may include one or more first rollers 441 and one or more second rollers 442 .
  • the first roller 441 is a roller that rotates by the driving force of the motor 460 to be described below.
  • the second roller 442 is a roller that does not rotate by the driving force of the motor 460 and supports the side surface of the accommodated can 500 . That is, the first roller 441 corresponds to the rotation roller, and the second roller 442 corresponds to the support roller.
  • the roller 440 may be installed on the shaft 450 .
  • the shaft 450 is positioned outside the bobbin 410 and may be disposed in the longitudinal direction of the bobbin 410 .
  • the shaft 450 may pass through the center of the roller 440 to be installed in the induction heating device 400 .
  • the shaft 450 may include a first shaft 451 and a second shaft 452 .
  • the first shaft 451 is a shaft on which one or more first rollers 441 are installed.
  • One or more first rollers 441 may be installed in parallel in the vertical direction on the first shaft 451 .
  • One or more first cutouts 4111 are formed in the first part of the outer surface of the bobbin 410 in the vertical direction, and at least one first roller ( 441 may be installed in the vertical direction of the first shaft 451 .
  • the second shaft 452 is a shaft on which one or more second rollers 442 are installed.
  • One or more second rollers 442 may be installed in parallel in the vertical direction on the second shaft 452 .
  • One or more second cutouts 4112 are formed in the second portion of the outer surface of the bobbin 410 in the vertical direction, and at least one second roller ( 442 may be installed in the vertical direction of the second shaft 452 .
  • induction heating apparatus in which two first rollers 441 are installed on one first shaft 451 , and four second rollers 442 are installed on two second shafts 452 .
  • the shape of (400) is shown.
  • the present invention is not limited thereto, and the number of the first shaft 451 and the second shaft 452 may be two or more.
  • the position of the shaft 450 may be moved in a radial direction of the bobbin 410 . This is as shown in FIGS. 4, 6 and 9 . As the position of the shaft 450 is movable, the roller 440 is movable in the radial direction of the bobbin 410 .
  • the shaft 450 may be located at any one of a first position and a second position in a radial direction of the bobbin 410 .
  • the first position is a position of the shaft 450 for all of the outer surface of the roller 440 to be located on the outside of the bobbin 410
  • the second position is that at least a portion of the outer surface of the roller 440 is located on the bobbin 410 . It is the position of the shaft 450 for contacting the side of the can 500 accommodated in the . Accordingly, the distance between the central axis of the bobbin 410 and the first position may be greater than the distance between the central axis of the bobbin 410 and the second position.
  • any one of the first shaft 451 and the second shaft 452 may be movable in a radial direction of the bobbin 410 .
  • the first shaft 451 may be movable in a radial direction of the bobbin 410
  • the second shaft 452 may not be movable.
  • both the first shaft 451 and the second shaft 452 are movable.
  • FIG. 9A is a plan view illustrating a shape before the can 500 is inserted into the bobbin 410 .
  • FIG. 9B is a plan view showing a shape when the can 500 is drawn into the inside of the bobbin 410 .
  • the inner diameter (a) of the bobbin 410 is larger than the outer diameter (b) of the can 500 .
  • the shaft 450 is disposed at a first position in the radial direction of the bobbin 410 , and a roller All of the outer surface of 440 is disposed outside of bobbin 410 . Accordingly, the can 500 can be easily drawn into the bobbin 410 .
  • the shaft 450 moves from the first position in the radial direction of the bobbin 410 to the second position, and the roller 440 at the second position. At least a portion of the outer surface of the can be in contact with the side of the received can (500). Accordingly, the can 500 accommodated by the rotation of the first roller 441 rotates, and accordingly, the second roller 442 rotates. In addition, the can 500 accommodated by the first roller 441 and the second roller 442 disposed at the second position is fixed and does not come into contact with the inner surface of the bobbin 410, and the accommodated can 500 and the bobbin There is no friction between the 410 .
  • Motor 460 provides driving force.
  • the motor 460 may be located outside the bobbin 410 , for example, on the side of the bobbin 410 .
  • the motor 460 may be connected to the first shaft 451 , and thus one or more first rollers 441 may be rotated.
  • the motor 460 may not be connected to the second shaft 452 , and accordingly, the one or more second rollers 442 may not be rotated by the motor 460 .
  • the drive shaft of the motor 460 is connected to one end of the driving force transmitting device 465 (eg, a pulley), and the other end of the driving force transmitting device 465 is connected to the first shaft 451 .
  • the first shaft 451 and the driving shaft of the motor 460 may be indirectly connected to each other through the driving force transmitting device 465 . Accordingly, the first shaft 451 may be rotated by the driving force of the motor 460 .
  • the driving shaft of the motor 460 may be directly connected to the first shaft 451 .
  • One or more first rollers 441 are fixedly installed on the first shaft 451 . Accordingly, one or more first rollers 441 may rotate based on the rotation of the first shaft 451 , and the can 500 accommodated by the rotating first roller 441 may rotate.
  • the motor 460 may not be connected to the second shaft 452 . Accordingly, the second shaft 452 may not rotate.
  • the one or more second rollers 442 may be rotatably installed without being fixedly installed on the second shaft 452 . At this time, as the can 500 accommodated by the one or more first rollers 441 rotates, the one or more second rollers 442 rotate. As one or more second rollers 442 rotate, friction with the rotating can 500 is minimized, and the can 500 is supported.
  • the induction heating apparatus 400 rotates the can 500 accommodated in the can accommodation unit based on the rotation of the first roller 441 that is one or more of the plurality of rollers 440 . and the second roller 442 that is the remaining roller rotates according to the rotation of the can 500 .
  • the first roller 441 rotates the can 500 and supports the can 500
  • the second roller 442 serves only to support the can 500 .
  • the rotation plate 470 is disposed between the bobbin 410 and the lower plate 430 .
  • the lower surface, ie, the bottom surface, of the can 500 accommodated in the upper portion of the rotation plate 470 is seated.
  • the rotation plate 470 rotates based on the rotation of the accommodated can 500 , and simultaneously supports the bottom surface of the accommodated can 500 .
  • the bottom surface of the can 500 directly contacts the top surface of the lower plate 430 .
  • the bottom surface of the can 500 also rotates. Accordingly, there is a problem in that friction occurs between the bottom surface of the can 500 and the top surface of the lower plate 430 .
  • the induction heating device 400 according to the present invention reduces the friction by disposing the rotating plate 470 between the bobbin 410 and the lower plate 430 and makes the can 500 rotate more smoothly.
  • the rotation plate 470 may have a ring shape. Accordingly, the central portion of the rotation plate 470 is penetrated. In addition, in order to more stably support the bottom surface of the can 500 , the upper surface of the rotation plate 470 may have an appropriate width.
  • the lower end of the bobbin 410 and the upper surface of the rotating plate 470 are in contact with each other, friction between the lower end of the bobbin 410 and the upper surface of the rotating plate 470 is caused by the rotation of the rotating plate 470 . This can happen. Accordingly, the lower end of the bobbin 410 may be disposed to be spaced apart from the upper surface of the rotating plate 470 by a predetermined interval.
  • the bearing 480 is installed between the rotation plate 470 and the lower plate 430 .
  • the bearing 480 may be fixedly installed on the upper surface of the lower plate 430 . Accordingly, the bearing 480 may not rotate.
  • the bearing 480 supports rotation of the rotating plate 470 and further reduces friction. 6 to 8 , the bearing 480 may have a ring shape. Accordingly, the central portion of the bearing 480 is penetrated.
  • the roller 440 can be inserted while winding the working coil 420 on the outer surface of the bobbin 410 in which the can 500 is accommodated.
  • a cutout 411 is formed. Accordingly, the structure of the can heating apparatus 100 for simultaneously heating and rotating the can 500 can be manufactured to be simple and slim.
  • an internal flow of the contents of the can 500 is generated by rotating the can 500 accommodated in the can accommodating part through the roller 440 . Accordingly, heat transfer of the contents of the can 500 may be increased, and thus the temperature of the contents of the can 500 may be rapidly increased.
  • the temperature of the can 500 may be increased more rapidly. That is, in the prior art, there is a predetermined gap between the heating coil and the can, but in the can heating apparatus 100 according to the present invention, the working coil 420 is attached to the bobbin 410 in which the can 500 is accommodated. Accordingly, the gap between the can 500 and the working coil 420 can be reduced, power wasted, and the temperature of the can 500 can be increased more rapidly.
  • the can 500 by bringing a roller 440 disposed outside the bobbin 410 into contact with the can 500 accommodated in the bobbin 410 , the can 500 . ) while stably fixing the can 500 can be rotated. At this time, since the position of the roller 440 can be changed, the can 500 can be easily drawn in and out of the bobbin 410 .
  • the temperature sensor 490 is disposed under the lower plate 430 and radiates a temperature sensing signal to the lower surface of the accommodated can 500 .
  • the temperature sensor 490 may be a non-contact infrared temperature sensor.
  • the temperature sensor 490 may be disposed under the first hole 431 formed in the central portion of the lower plate 430 .
  • the temperature sensor 490 may radiate a temperature sensing signal to the upper portion of the lower plate 430 through the first hole 431 .
  • the radiated temperature sensing signal is received through the pierced central portion of the rotating plate 470 and the bottom surface of the can 500 received through the pierced central portion of the bearing 480 .
  • the temperature of the bottom surface of the can 500 may be sensed.
  • the sensed temperature may be used to control the output of the working coil 420 and control the rotation of the first roller 441 .
  • induction heating apparatus 400 In the induction heating apparatus 400 according to an embodiment of the present invention, accurate temperature measurement is possible by measuring the temperature of the bottom surface of the can 500 .
  • the side surface of the container of the can 500 is coated with a specific material and color.
  • the material of the container of the can 500 is different from the material of the painting material. Therefore, when measuring the temperature from the side of the can 500 , the temperature of the container of the can 500 and the temperature of the contents inside the can 500 cannot be accurately measured. In particular, when the color of the coating material has a large reflectance, the temperature of the container and contents of the can 500 cannot be measured more accurately.
  • the bottom surface of the can 500 is generally not painted, and has the same material and color as the container. Accordingly, the induction heating apparatus 400 according to an embodiment of the present invention can accurately measure the temperature of the bottom surface of the can 500 by disposing the temperature sensor 490 under the lower plate 430 .
  • the scan unit 495 is disposed under the lower plate 430 and radiates a scan signal to the lower surface of the accommodated can 500 .
  • the scan unit 495 may be disposed under the second hole formed at the edge of the lower plate 430 .
  • the scan unit 495 may radiate a scan signal to the upper portion of the lower plate 430 through the second hole.
  • An information code may be attached to the bottom surface of the can 500 , and the scanning unit 495 performs a function of identifying the information code.
  • the information code may be a barcode or a QR code.
  • the information code contains various information related to the can 500 .
  • the information code may include information such as the type of contents of the can 500 , the weight of the contents, the material of the container of the can 500 , the capacity of the container of the can 500 , and the like.
  • the information code may include information related to the target temperature of the can 500 .
  • the scan unit 495 may scan the information code and transmit the scanned information to the control unit.
  • the controller may determine various types of information using the transmitted information, and control the output of the working coil WC based on the identified information. That is, the controller may control the output of the working coil WC by controlling the operation of the driving circuit unit 600 based on the identified information.
  • the arrangement position of the scan unit 495 is not limited to the above description, and the scan unit 495 may be arranged at various positions. That is, when the information code is attached to a part other than the bottom surface of the can 500 , the scanning unit 495 is attached to the part of the induction heating device 400 corresponding to the part of the can 500 to which the information code is attached. can be placed.
  • the scan unit 495 may be omitted from the induction heating apparatus 400 .
  • the information included in the information code may be stored in advance in a memory in the control unit.
  • the user may input the information through an input unit included in the induction heating device 400 .
  • FIG. 10 is a circuit diagram illustrating a schematic structure of a driving circuit unit 600 according to an embodiment of the present invention.
  • the driving circuit unit 600 includes a power supply unit 610 , a rectifier unit 620 , a DC link capacitor 630 , an inverter 640 , a plurality of resonant capacitor groups 650 and an inverter control unit 660 . do.
  • Each of the driving circuit units 600 may be connected to a plurality of, that is, N (a natural number greater than or equal to 2) working coil groups 420 .
  • the working coil group (WCG) includes one or more working coils (WC) electrically connected, and for convenience of description, in FIG. 10, one or more working coils (WC) (that is, the working coil group (WCG) )) is expressed as one component. And, for convenience of description, in FIG. 10 , it is expressed that three working coil groups WCG1 , WCG2 , and WCG3 are connected to the driving circuit unit 600 . In addition, the working coil group 420 and the working coil group WCG will be used interchangeably.
  • the driving circuit unit 600 may be variously modified within the range of heating the N working coil groups (WCG), but in the embodiment of the present invention, for convenience of explanation, the components shown in FIG. to explain
  • the power supply unit 610 outputs AC power. Specifically, the power supply unit 610 outputs AC power and provides it to the rectification unit 620 .
  • the AC power may be commercial AC power.
  • the rectifying unit 620 rectifies the AC power supplied from the power supply unit 610 and converts it into DC power.
  • the rectifier 620 may have a structure in which four diodes are connected in a full bridge form.
  • the DC power rectified by the rectifier 620 is provided to a DC link capacitor (ie, a smoothing capacitor) 630 , and the DC link capacitor 630 may reduce a ripple of the DC power.
  • a DC link capacitor ie, a smoothing capacitor
  • the DC link capacitor 630 may be connected in parallel between the rectifier 620 and the inverter 640 .
  • a voltage by DC power may be applied to one end of the DC link capacitor 630 , and the other end of the DC link capacitor 630 may be connected to ground.
  • the DC power rectified by the rectifying unit 620 may be provided to a filter unit (not shown) instead of the DC link capacitor 630 , and the filter unit may include AC remaining in the corresponding DC power. ingredients can be removed.
  • the DC power rectified by the rectifying unit 620 will be described as an example in which the DC link is provided to the capacitor 630 .
  • the DC power rectified by the rectifier 620 and the DC link capacitor 630 is supplied to the inverter 640 .
  • the inverter 640 is connected to the N working coil groups WCG, and applies a resonance current to the N working coil groups WCG by performing a switching operation. That is, one inverter 640 exists in the driving circuit unit 600 , and one inverter 640 provides driving power to the N working coil groups WCG.
  • the inverter 640 may receive DC power from the rectifier 620 and perform a switching operation. That is, the inverter 640 may receive DC power rectified by the rectifier 620 and reduced in ripple by the DC link capacitor 630 . Meanwhile, the inverter 640 may be an inverter having a driving frequency of 100 kHz or more using a wide band gap (WBG) power device.
  • WBG wide band gap
  • the inverter 640 may include a plurality of, that is, N+1 switching elements S.
  • Each of the N+1 switching elements S may include a transistor, and the transistor may be an insulated gate bipolar mode transistor (IGBT).
  • IGBT insulated gate bipolar mode transistor
  • the inverter 640 includes four switching elements S1 , S2 , S3 . , S4) may be included.
  • the N+1 switching elements S may be connected in series with each other.
  • the other end of the first switching element S1 is connected to one end of the second switching element S2, and the other end of the second switching element S2 is the third One end of the switching element S3 is connected, and the other end of the third switching element S3 is connected with one end of the fourth switching element S4.
  • One end of the first switching element S1 is connected to one end of the rectifying unit 620 and one end of the DC link capacitor 630
  • the other end of the first switching element S4 is the other end of the rectifying unit 620 and the DC link capacitor ( 630) is connected to the other end.
  • Each of the plurality of, that is, N resonant capacitor groups 650 may include two resonant capacitors Cr. That is, each of the N resonance capacitor groups 650 may include a first resonance capacitor Cr1 and a second resonance capacitor Cr2 . In this case, the other end of the first resonance capacitor Cr1 may be connected to one end of the second resonance capacitor Cr2 , and one end of the first resonance capacitor Cr1 is connected to one end of the rectifying unit 620 , and the second resonance The other end of the capacitor Cr2 may be connected to the other end of the rectifying unit 620 .
  • one end of the i (a natural number greater than or equal to N)-th working coil group (WCG) of the N working coil groups (WCG) is the i-th switching element (Si) and i+ of the N+1 switching elements (S). It may be connected between the first switching element Si+1.
  • the other end of the ith working coil group WCG is between the first resonance capacitor Cr1 and the second resonance capacitor Cr2 included in the ith resonance capacitor group 650 among the N resonance capacitor groups 650 . can be connected to
  • one end of the first working coil group WCG1 is connected between the first switching element S1 and the second switching element S2 , and the other end of the first working coil group WCG1 is connected to the other end of the first working coil group WCG1 .
  • one end of the second working coil group WCG2 is connected between the second switching element S2 and the third switching element S3, and the other end of the second working coil group WCG2 is a second resonance capacitor group ( It is connected between the 2-1 th resonance capacitor Cr21 and the 2-2 th resonance capacitor Cr22 included in 650 .
  • one end of the third working coil group WCG3 is connected between the third switching element S3 and the fourth switching element S4, and the other end of the third working coil group WCG3 has a third resonance capacitor group ( It is connected between the 3-1 th resonance capacitor Cr31 and the 3-2 th resonance capacitor Cr32 included in 650 .
  • the resonance capacitor group 650 may constitute a resonance circuit unit together with the working coil group WCG.
  • Each of the N+1 switching elements S may receive a switching control signal from the inverter controller 660 and perform a switching operation based on the provided switching control signal.
  • the inverter controller 660 generates a switching control signal for controlling the switching operation of the inverter 640 and provides the generated switching control signal to the inverter 640 .
  • the switching control signal may be provided to a control electrode of each of the plurality of switching elements S.
  • the inverter controller 650 may generate a PWM control signal and provide it to the inverter 640 , and the inverter 640 may perform a switching operation based on the PWM control signal.
  • the switching control signal generated by the inverter 640 may include a first pulse signal, a second pulse signal, and a high level signal.
  • FIG. 11 is a diagram illustrating the concept of a switching control signal according to the present invention.
  • the first pulse signal and the second pulse signal are signals in which a high level and a low level are sequentially and alternately repeated.
  • the phases of the first pulse signal and the second pulse signal are opposite to each other. That is, at a specific point in time, the first pulse signal has any one of a high level and a low level, and the second pulse signal has a level different from the one of the high level and the low level.
  • the high level signal is a signal in which the high level is continuously maintained.
  • the operation of the inverter control unit 660 may be controlled by the above-mentioned control unit.
  • the inverter controller 660 may control the inverter 640 so that the heating of the can 500 is completed within the target time.
  • the inverter controller 660 may determine the switching control signal based on the detected temperature value sensed by the temperature sensor 490 and the target temperature value corresponding to the can 500 .
  • the present invention is focused on the embodiment of the driving circuit unit 600 in which the induction heating device 400 and the working coil group (WCG) are three, and the number of the switching elements (S) included in the inverter 640 is four.
  • the can heating operation of will be described with reference to FIGS. 12 to 17 .
  • Case A is a case in which the can 500 is accommodated in the first induction heating device 400 and the can 500 is not accommodated in the second and third induction heating devices 400 .
  • a first pulse signal may be provided to the first switching element S1
  • a second pulse signal may be provided to each of the second to fourth switching elements S2 , S3 , and S4 . This is as shown in FIG. 12 .
  • the first working coil group WCG1 is driven, the second and third working coil groups WCG2 and WCG3 are not driven, and only the can 500 accommodated in the first induction heating device 400 is the target time. It can be heated inside.
  • Case B is a case in which the can 500 is accommodated in the second induction heating device 400 and the can 500 is not accommodated in the first and third induction heating devices 400 .
  • a first pulse signal may be provided to each of the first and second switching elements S1 and S2
  • a second pulse signal may be provided to each of the third and fourth switching elements S3 and S4 . This is as shown in FIG. 13 .
  • the second working coil group WCG2 is driven, the first and third working coil groups WCG1 and WCG3 are not driven, and only the can 500 accommodated in the second induction heating device 400 is the target time. It can be heated inside.
  • Case C is a case in which the can 500 is accommodated in the third induction heating device 400 and the can 500 is not accommodated in the first and third induction heating devices 400 .
  • a first pulse signal may be provided to each of the first to third switching elements S1 , S2 , and S3 , and a second pulse signal may be provided to the fourth switching element S4 . This is as shown in FIG. 14 .
  • the third working coil group WCG3 is driven, the first and second working coil groups WCG1 and WCG2 are not driven, and only the can 500 accommodated in the third induction heating device 400 is the target time. It can be heated inside.
  • Case D is a case in which the can 500 is accommodated in the first and second induction heating devices 400 , and the can 500 is not accommodated in the third induction heating device 400 .
  • a first pulse signal is provided to the first switching element S1
  • a high level signal is provided to the second switching element S2
  • a second signal is provided to each of the third and fourth switching elements S3 and S4 .
  • a pulse signal may be provided. This is as shown in FIG. 15 .
  • the first and second working coil groups WCG1 and WCG2 are simultaneously driven, the third working coil group WCG1 and WCG2 are not driven, and the can accommodated in the first and second induction heating device 400 . 500 can be heated within the target time.
  • Case E is a case in which the can 500 is accommodated in the second and third induction heating devices 400 , and the can 500 is not accommodated in the first induction heating device 400 .
  • a first pulse signal is provided to each of the first and second switching elements S1 and S2 , a high level signal is provided to the third switching element S3 , and a second signal is provided to the fourth switching element S4 .
  • a pulse signal may be provided. This is as shown in FIG. 16 .
  • the second and third working coil groups WCG2 and WCG3 are simultaneously driven, the first working coil group WCG1 is not driven, and the can 500 accommodated in the second and third induction heating devices 400 . ) can be heated within the target time.
  • Case F is a case in which the can 500 is accommodated in all of the first to third induction heating devices 400 .
  • a first pulse signal is provided to the first switching element S1
  • a high level signal is provided to each of the second and third switching elements S2 and S3
  • a second signal is provided to the fourth switching element S4 .
  • a pulse signal may be provided. This is as shown in FIG. 17 .
  • the first to third working coil groups WCG1 , WCG2 , and WCG3 may be simultaneously driven, and the can 500 accommodated in the first and third induction heating devices 400 may be heated within a target time.
  • the first and third working coil groups WCG1 and WCG3 may not be driven simultaneously.
  • the first and third working coil groups WCG1 and WCG3 may be driven through a time division method.
  • each of the target time values corresponding to the accommodated can 500 may be the same. That is, the can heating apparatus 100 according to an embodiment of the present invention may complete heating of the accommodated can 300 at the same time.
  • the output values of each of the plurality of working coil groups WCG may be controlled by adjusting the duty ratio of the switching control signal of the inverter controller 660 .
  • the capacity of the contents of the plurality of cans 500 , the materials of the containers, the target temperature, etc. may be different for each of the plurality of cans 500 . Accordingly, the inverter controller 660 may complete the heating of the plurality of cans 500 at the same time by controlling the duty ratio of the switching control signal.
  • the can heating apparatus 100 may provide driving power to the plurality of working coil groups 420 using one inverter.
  • the structure of the driving circuit unit 600 may be simplified, the complexity and size of the structure of the can heating apparatus 100 may be reduced, and the manufacturing cost of the can heating apparatus 100 may be reduced.
  • the can heating apparatus 100 efficiently sets the connection relationship between the plurality of switching elements S and the plurality of working coil groups WCG in the driving circuit unit 600, so that a plurality of The can 500 may be heated at the same time.
  • the can heating apparatus 100 may end heating of the plurality of cans 500 within a target time defined for each can 500 using one inverter.
  • the can heating apparatus 100 according to an embodiment of the present invention may end heating of the plurality of cans 500 at the same completion time point. Accordingly, it is possible to increase the convenience of can management by the administrator.
  • a roller 440 can be inserted while winding the working coil group 420 on the outer surface of the bobbin 410 in which the can 500 is accommodated.
  • a cutout 411 is formed. Accordingly, the structure of the can heating apparatus 100 for simultaneously heating and rotating the can 500 can be manufactured to be simple and slim.
  • the can heating apparatus 100 generates an internal flow of the contents of the can 500 by rotating the can 500 accommodated in the can accommodating part through the roller 440 . Accordingly, heat transfer of the contents of the can 500 may be increased, and thus the temperature of the contents of the can 500 may be rapidly increased.
  • the can heating apparatus 100 can more rapidly increase the temperature of the can 500 by winding the working coil 420 on the outer surface of the bobbin 410 .
  • FIG. 18 is a flowchart of a control method of the can heating apparatus 100 according to an embodiment of the present invention.
  • the steps shown in FIG. 18 are steps in which one induction heating device 400 heats the can. 18 is applicable to all induction heating devices 400 included in the can heating device 400 .
  • each step of FIG. 18 may be performed centering on the control unit, and the concept of rotation of the can 500 will be omitted for convenience of description.
  • step S1305 the control unit determines whether the can 500 is accommodated in the bobbin 410 .
  • control unit determines whether the can 500 is accepted by using at least one of the cover open signal transmitted from the cover 300 and the degree of attenuation of the resonance current flowing through the working coil group 420 . can do.
  • control unit may output a message indicating that the can 500 is not present through the output unit.
  • control unit When the can 500 is received, the control unit turns on the temperature sensor 490 and the scan unit 495 in step S1315. Accordingly, the temperature of the can 500 is sensed, and the information code attached to the can 500 is scanned.
  • the information code includes at least information related to the type of contents of the can 500 , the weight of the contents, the material of the container of the can 500 , the capacity of the container of the can 500 , and the target temperature of the can 500 .
  • One piece of information may be included.
  • the control unit may receive the at least one piece of information.
  • step S1320 the control unit sets the output value of the working coil group 420 .
  • step S1320 an output value of the working coil group 420 corresponding to the target heating time is set.
  • the controller may set the output value of the working coil group 420 based on the sensed temperature and the received at least one piece of information.
  • the controller may set the output value of the working coil group 420 based on Equation 1 below.
  • Q is the output value
  • T1 is the sensed temperature
  • T2 is the target temperature
  • W W is the weight of the contents of the can 500
  • W g is the weight of the container of the can 500
  • CP is the container of the can 500 . mean the specific heat of each.
  • the target temperature may be included in the received at least one piece of information or may be input by the user through the input unit.
  • step S1325 the controller turns on the working coil group 420 . That is, the controller controls the driving circuit unit 600 to turn on the working coil group 420 . Accordingly, the can 500 is heated.
  • step S1330 the controller determines whether the sensed temperature has reached a target temperature.
  • step S1335 the control unit controls the driving circuit unit 600 to maintain heating of the can 500 .
  • step S1340 the controller controls the driving circuit unit 600 to keep the can 500 warm.
  • step S1345 the control unit determines whether the can 500 is detached from the bobbin 410 . This operates similarly to step S1305.
  • step S1340 is performed.
  • step S1350 the controller turns off the working coil group 420 . That is, the controller controls the driving circuit unit 600 to turn off the working coil group 420 .
  • the can heating apparatus 100 compares the detected temperature value and the target temperature value of each of the plurality of cans 500 , thereby providing a plurality of cans within a target time defined for each can 500 .
  • the heating of 500 may be completed.
  • the can heating apparatus 100 may terminate heating of the plurality of cans 500 at the same time using one inverter 640 . Accordingly, it is possible to increase the convenience of can management by the administrator.
  • the can heating apparatus can easily set the output value of the working coil group by reading the information code attached to the can. Accordingly, it is possible to control the heating of the can 500 in a simple manner.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • General Induction Heating (AREA)

Abstract

L'invention concerne un dispositif de chauffage de canette. Le dispositif de chauffage de canette compare une valeur de température cible et une valeur de température détectée de chacune des multiples canettes de façon à achever le chauffage des multiples canettes à l'intérieur d'un temps cible défini pour chacune des canettes. De plus, le dispositif de chauffage de canette lit un code d'informations fixé à une canette de façon à configurer facilement une valeur de sortie d'un groupe de bobines de travail. En outre, le dispositif de chauffage de canette configure efficacement une relation de connexion entre de multiples groupes de bobines de travail et de multiples éléments de commutation dans une partie de circuit d'entraînement, de façon à chauffer simultanément les multiples canettes.
PCT/KR2020/011491 2020-03-20 2020-08-27 Dispositif de chauffage de canette WO2021187689A1 (fr)

Applications Claiming Priority (4)

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US202062992758P 2020-03-20 2020-03-20
US62/992,758 2020-03-20
KR10-2020-0092995 2020-07-27
KR1020200092995A KR20210117900A (ko) 2020-03-20 2020-07-27 캔 가열 장치

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US17/773,767 A-371-Of-International US20220394759A1 (en) 2019-10-30 2020-10-28 Channel access in multi-link
US18/210,542 Continuation US11871447B2 (en) 2019-10-30 2023-06-15 Channel access in multi-link

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980086843A (ko) * 1997-05-08 1998-12-05 나까사또 요시히꼬 캔음료의 유도 가열장치
JP3575137B2 (ja) * 1995-09-29 2004-10-13 富士電機リテイルシステムズ株式会社 缶商品加温装置
JP3620195B2 (ja) * 1997-02-06 2005-02-16 富士電機リテイルシステムズ株式会社 自動販売機の制御装置
KR20110009546A (ko) * 2009-07-22 2011-01-28 엘지전자 주식회사 단일 인버터를 구비한 유도가열 전기조리기
US20140263286A1 (en) * 2013-03-15 2014-09-18 Silgan Containers Llc Induction heating system for food containers and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3575137B2 (ja) * 1995-09-29 2004-10-13 富士電機リテイルシステムズ株式会社 缶商品加温装置
JP3620195B2 (ja) * 1997-02-06 2005-02-16 富士電機リテイルシステムズ株式会社 自動販売機の制御装置
KR19980086843A (ko) * 1997-05-08 1998-12-05 나까사또 요시히꼬 캔음료의 유도 가열장치
KR20110009546A (ko) * 2009-07-22 2011-01-28 엘지전자 주식회사 단일 인버터를 구비한 유도가열 전기조리기
US20140263286A1 (en) * 2013-03-15 2014-09-18 Silgan Containers Llc Induction heating system for food containers and method

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