WO2020009405A1 - Procédé et appareil pour protéger une batterie de générateur d'aérosol - Google Patents

Procédé et appareil pour protéger une batterie de générateur d'aérosol Download PDF

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Publication number
WO2020009405A1
WO2020009405A1 PCT/KR2019/008013 KR2019008013W WO2020009405A1 WO 2020009405 A1 WO2020009405 A1 WO 2020009405A1 KR 2019008013 W KR2019008013 W KR 2019008013W WO 2020009405 A1 WO2020009405 A1 WO 2020009405A1
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WO
WIPO (PCT)
Prior art keywords
heater
battery
holder
resistance
cradle
Prior art date
Application number
PCT/KR2019/008013
Other languages
English (en)
Korean (ko)
Inventor
정진철
고경민
서장원
정민석
정종성
장철호
장용준
Original Assignee
주식회사 케이티앤지
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Publication date
Application filed by 주식회사 케이티앤지 filed Critical 주식회사 케이티앤지
Publication of WO2020009405A1 publication Critical patent/WO2020009405A1/fr

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a method and a device for protecting a battery of an aerosol generating device, and more particularly, to ensure the life expectancy of the battery which is essentially provided in the portable aerosol generating device and to prevent the failure of the aerosol generating device
  • the present invention relates to a battery protection method and apparatus.
  • the technical problem to be solved by the present invention is to implement a method and a protection method for minimizing the electrical damage that can be applied to the battery in the process of powering the heater from the battery to preheat the heater of the aerosol generating device It is to provide a device.
  • Method for solving the technical problem, a method for protecting a battery of the aerosol generating device, the current sensing step of detecting whether the initial current for preheating the heater from the battery is supplied to the heater ; A resistance adding step of adding an additional resistor to the heater so that a protection current having a smaller magnitude than that of the detected initial current flows to the heater; And a resistance removing step of removing the added additional resistance when it is determined that the heater is preheated.
  • a device for protecting a battery of an aerosol-generating device the current sensing for detecting whether the initial current for preheating the heater from the battery is supplied to the heater part; When the initial current is detected, the resistance unit for adding an additional resistance to the protection current of the magnitude smaller than the detected initial current flows to the heater; And a resistance removing unit for removing the added additional resistance when it is determined that the heater is preheated.
  • FIG. 1 is a configuration diagram showing an example of an aerosol generating device.
  • FIG. 2 is a diagram illustrating an example of a holder.
  • FIG. 3 is a diagram illustrating an example of a cradle.
  • 4A and 4B show examples of cradles.
  • FIG. 5 is a diagram illustrating an example in which a holder is inserted into a cradle.
  • FIG. 6 is a diagram illustrating an example in which the holder is tilted in a state where the holder is inserted into the cradle.
  • FIG. 7 is a block diagram of an example of an aerosol generating device according to the present invention.
  • FIG. 8 is a circuit diagram of a battery protection device according to the present invention.
  • FIG. 9 is a flowchart illustrating an example of a method of protecting a battery according to the present invention.
  • a method of protecting a battery of an aerosol-generating device for solving the technical problem, the current sensing step of detecting whether the initial current for preheating the heater from the battery is supplied to the heater; A resistance adding step of adding an additional resistor to the heater so that a protection current having a smaller magnitude than that of the detected initial current flows to the heater; And a resistance removing step of removing the added additional resistance when it is determined that the heater is preheated.
  • the resistance adding step, the heater and the additional resistance is connected in series by closing the open switch, the resistance removing step, the method of the heater and the additional resistance in a manner of opening the switch again. It may be characterized in that the connection is released.
  • the resistance value of the additional resistance may be smaller than the resistance value of the heater.
  • the additional resistance may be characterized in that the synthetic resistance calculated by the operation of at least two resistors and the switch.
  • the method may include determining that the heater is preheated when the counted time reaches a preset time by counting the time that the protection current flows through the heater.
  • a device for protecting a battery of an aerosol-generating device the current sensing for detecting whether the initial current for preheating the heater from the battery is supplied to the heater part; When the initial current is detected, the resistance unit for adding an additional resistance to the protection current of the magnitude smaller than the detected initial current flows to the heater; And a resistance removing unit for removing the added additional resistance when it is determined that the heater is preheated.
  • FIG. 1 is a configuration diagram showing an example of an aerosol generating device.
  • an aerosol generating device 1 (hereinafter referred to as a holder) includes a battery 110, a controller 120, and a heater 130.
  • the holder 1 includes an inner space formed by the case 140. A cigarette may be inserted into the inner space of the holder 1.
  • the holder 1 shown in FIG. 1 shows only the components related to the present embodiment. Therefore, it will be understood by those skilled in the art that the general purpose components other than the components shown in FIG. 1 may be further included in the holder 1.
  • the holder 1 heats the heater 130.
  • the aerosol generating material in the cigarette is raised in temperature by the heated heater 130, thereby producing an aerosol.
  • the resulting aerosol is delivered to the user through the filter of the cigarette.
  • the holder 1 may heat the heater 130.
  • the case 140 may be moved between the first position and the second position. For example, when the case 140 is in the first position, the user can insert a cigarette into the holder 1 to inhale the aerosol. On the other hand, when the case 140 is in the second position, the user can remove (separate) the cigarette from the holder 1. As the user pushes or pulls the case 140, the case 140 may be moved between the first position and the second position. In addition, the case 140 may be completely separated from the holder 1 by a user's manipulation.
  • the diameter of the hole formed by the end 141 of the case 140 may be made smaller than the diameter of the space formed by the case 140 and the heater 130, in this case is inserted into the holder (1) Can serve as a guide to cigarettes.
  • the battery 110 supplies the power used to operate the holder 1.
  • the battery 110 may supply power so that the heater 130 may be heated, and may supply power necessary for the control unit 120 to operate.
  • the battery 110 may supply power required to operate a display, a sensor, a motor, etc. installed in the holder 1.
  • the battery 110 may be a lithium iron phosphate (LiFePO 4) battery, but is not limited to the example described above.
  • the battery 110 may correspond to a lithium cobalt oxide (LiCoO 2) battery, a lithium titanate battery, or the like.
  • Whether the battery 110 is fully charged or completely discharged may be determined by how much the power stored in the battery 110 is compared with the total capacity of the battery 110. For example, when the power stored in the battery 110 is 95% or more of the total capacity, it may be determined that the battery 110 is fully charged. In addition, when the power stored in the battery 110 is 10% or less of the total capacity, it may be determined that the battery 110 is completely discharged.
  • the criterion for determining whether the battery 110 is fully charged or completely discharged is not limited to the above-described example.
  • the heater 130 is heated by the power supplied from the battery 110.
  • the heater 130 is located inside the cigarette.
  • the heated heater 130 may raise the temperature of the aerosol generating material in the cigarette.
  • the heater 130 may be manufactured in a shape that can be easily inserted into the interior of the cigarette.
  • the heater 130 may have a blade shape or a shape in which a cylinder and a cone are combined, but is not limited thereto.
  • only a part of the heater 130 may be heated.
  • the first portion of the heater 130 may be heated, and the second portion may not be heated.
  • the first part may be a part where the tobacco rod is located when the cigarette is inserted into the holder 1.
  • the heater 130 may be heated to a different temperature for each part.
  • the above-mentioned first portion and the above-mentioned second portion may be heated to different temperatures from each other.
  • the heater 130 may be an electric resistance heater.
  • the heater 130 may be fabricated such that an electrically conductive track is disposed on a substrate formed of an electrically insulating material.
  • the substrate may be made of a ceramic material, and the electrically conductive track may be made of tungsten, but is not limited thereto.
  • Holder 1 may be provided with a separate temperature sensor.
  • the temperature sensor may not be provided in the holder 1, and the heater 130 may serve as the temperature sensor.
  • the heater 130 of the holder 1 may serve as a temperature sensor, and at the same time, a separate temperature sensor may be further included in the holder 1.
  • the heater 130 may include at least one electrically conductive track for heat generation and temperature sensing.
  • the heater 130 may separately include a second electrically conductive track for temperature sensing in addition to the first electrically conductive track for heat generation.
  • the resistance R can be determined.
  • the temperature T of the electrically conductive track may be determined by Equation 1 below.
  • Equation 1 R denotes a current resistance value of the electrically conductive track
  • R 0 denotes a resistance value at a temperature T 0 (eg, 0 ° C.)
  • ⁇ denotes a resistance temperature coefficient of the electrically conductive track. It means.
  • the conductive material eg metal
  • the electrically conductive track comprises an electrically resistive material.
  • the electrically conductive track can be made of a metallic material.
  • the electrically conductive track can be made of an electrically conductive ceramic material, carbon, a metal alloy or a composite of ceramic material and metal.
  • the holder 1 may include both an electrically conductive track and a temperature sensing sensor which serve as a temperature sensing sensor.
  • the controller 120 controls the overall operation of the holder 1. Specifically, the controller 120 controls the operation of not only the battery 110 and the heater 130, but also other components included in the holder 1. In addition, the controller 120 may determine whether the holder 1 is in an operable state by checking a state of each of the components of the holder 1.
  • the controller 120 includes at least one processor.
  • the processor may be implemented as an array of multiple logic gates, or may be implemented as a combination of a general purpose microprocessor and a memory storing a program that may be executed on the microprocessor.
  • a general purpose microprocessor and a memory storing a program that may be executed on the microprocessor.
  • the present embodiment may be implemented in other forms of hardware.
  • the controller 120 may control the operation of the heater 130.
  • the controller 120 may control the amount of power supplied to the heater 130 and the time at which power is supplied so that the heater 130 may be heated to a predetermined temperature or maintain an appropriate temperature.
  • the controller 120 may check the state of the battery 110 (for example, the remaining amount of the battery 110) and generate a notification signal if necessary.
  • the controller 120 may check the presence or absence of the puff and the strength of the puff, and count the number of puffs. In addition, the controller 120 may continuously check the time that the holder 1 is operating. In addition, the controller 120 determines whether the cradle 2 to be described later is coupled with the holder 1, and controls the operation of the holder 1 according to the coupling or detachment of the cradle 2 and the holder 1. Can be.
  • the holder 1 may further include general components in addition to the battery 110, the controller 120, and the heater 130.
  • the holder 1 may include a display capable of outputting visual information or a motor for outputting tactile information.
  • the controller 120 may display information about the state of the holder 1 (for example, whether the holder may be used), a heater (eg, a user) through the display.
  • Information on the battery 110 (eg, preheating start, preheating progress, preheating completion, etc.), information related to the battery 110 (eg, remaining capacity of the battery 110, availability, etc.), holder 1 Information related to the resetting of the holder (for example, reset timing, reset progress, reset completion, etc.), information related to cleaning of the holder 1 (for example, cleaning timing, cleaning necessity, cleaning progress, cleaning completion, etc.), Information related to the charging of the holder 1 (e.g., charging required, charging progressed, charging completed, etc.), information related to the puff (e.g., puff count, puff end notice, etc.) or safety related information (e.g. For example, the use time elapsed) can be delivered.
  • the controller 120 may generate the vibration signal using the motor, thereby transferring the above-described information to the user.
  • the holder 1 may comprise a terminal coupled with at least one input device (eg a button) and / or the cradle 2 through which the user can control the function of the holder 1.
  • the user can execute various functions using the input device of the holder 1. Multiple functions of the holder 1 by adjusting the number of times the user presses the input device (for example, once, twice, etc.) or the time for holding the input device (for example, 0.1 seconds, 0.2 seconds, etc.) You can execute any of these functions.
  • the holder 1 has a function of preheating the heater 130, a function of adjusting the temperature of the heater 130, a function of cleaning a space where a cigarette is inserted, and a holder 1 of the holder 1.
  • a function of checking whether it is in an operable state, a function of displaying a residual amount (available power) of the battery 110, a reset function of the holder 1, and the like may be performed.
  • the function of the holder 1 is not limited to the examples described above.
  • the holder 1 may clean the space where the cigarette is inserted by controlling the heater 130 as follows.
  • the holder 1 can clean the space where the cigarette is inserted by heating the heater 130 to a sufficiently high temperature.
  • a sufficiently high temperature means a temperature suitable for cleaning the space where the cigarette is inserted.
  • the holder 1 may heat the heater 130 to the highest of a temperature range in which an aerosol can be generated in the inserted cigarette and a temperature range in which the heater 130 is preheated, but is not limited thereto. .
  • the holder 1 may maintain the temperature of the heater 130 at a sufficiently high temperature for a predetermined time period.
  • the predetermined time period means a time period sufficient to clean the space where the cigarette is inserted.
  • the holder 1 may maintain the temperature of the heated heater 130 for an appropriate time of 10 seconds to 10 minutes, but is not limited thereto.
  • the holder 1 may maintain the temperature of the heated heater 130 for a suitable time period selected within the range of 20 seconds to 1 minute.
  • the holder 1 may maintain the temperature of the heated heater 130 for a suitable time period selected within the range of 20 seconds to 1 minute 30 seconds.
  • the surface of the heater 130 and / or the space into which the cigarette is inserted may be generated by volatilizing the substance deposited on the substrate.
  • the holder 1 may comprise a puff sensor, a temperature sensor and / or a cigarette insertion sensor.
  • the puff sensor may be implemented by a general pressure sensor.
  • the holder 1 may detect a puff by a change in resistance of an electrically conductive track included in the heater 130 without a separate puff detection sensor.
  • the electrically conductive track here comprises an electrically conductive track for heat generation and / or an electrically conductive track for temperature sensing.
  • the holder 1 may further include a puff detecting sensor separately from detecting the puff using an electrically conductive track included in the heater 130.
  • the cigarette insertion sensor may be implemented by a general capacitive sensor or a resistance sensor.
  • the holder 1 may be manufactured in a structure in which external air may be introduced / exhausted even when a cigarette is inserted.
  • FIG. 2 is a diagram illustrating an example of a holder.
  • the holder 1 may be manufactured in a cylindrical shape, but is not limited thereto.
  • the case 140 of the holder 1 may be moved or separated by a user's operation, and a cigarette may be inserted into the end 141 of the case 140.
  • the holder 1 may include a button 150 that allows a user to control the holder 1.
  • the holder 1 may further include a display on which an image is output.
  • FIG. 3 is a diagram illustrating an example of a cradle.
  • the cradle 2 includes a battery 210 and a controller 220.
  • the cradle 2 also includes an interior space 230 into which the holder 1 can be inserted.
  • the cradle 2 may or may not include a separate lid.
  • the holder 1 may be inserted into and fixed to the cradle 2 even if the cradle 2 does not include a separate lid.
  • the holder 1 may be fixed to the cradle 2 as the lid of the cradle 2 is closed after the holder 1 is inserted into the cradle 2.
  • the cradle 2 shown in FIG. 3 shows only the components related to the present embodiment. Accordingly, it will be understood by those skilled in the art that the general purpose components other than the components illustrated in FIG. 3 may be further included in the cradle 2.
  • the battery 210 supplies the power used to operate the cradle 2.
  • the battery 210 may supply power for charging the battery 110 of the holder 1.
  • the battery 210 of the cradle 2 is the battery of the holder 1. Power may be supplied to 110.
  • the battery 210 may supply power used to operate the holder 1.
  • the holder 1 and the terminal of the cradle 2 are coupled, regardless of whether the battery 110 of the holder 1 is discharged, the holder 1 is a battery of the cradle 2 ( The operation may be performed by using the power supplied by the 210.
  • the battery 210 may be a lithium ion battery, but is not limited thereto.
  • the capacity of the battery 210 may be larger than that of the battery 110.
  • the controller 220 generally controls the operation of the cradle 2.
  • the controller 220 may control the operation of all the components of the cradle 2.
  • the controller 220 may determine whether the holder 1 and the cradle 2 are coupled, and control the operation of the cradle 2 according to the coupling or detachment of the cradle 2 and the holder 1.
  • the controller 220 supplies power of the battery 210 to the holder 1 to charge the battery 110 or to heat the heater 130. You can. Therefore, even when the remaining amount of the battery 110 is small, the user can continuously smoke by combining the holder 1 and the cradle 2.
  • the controller 220 includes at least one processor.
  • the processor may be implemented as an array of multiple logic gates, or may be implemented as a combination of a general purpose microprocessor and a memory storing a program that may be executed on the microprocessor.
  • a general purpose microprocessor and a memory storing a program that may be executed on the microprocessor.
  • the present embodiment may be implemented in other forms of hardware.
  • the cradle 2 may further include general components in addition to the battery 210 and the controller 220.
  • the cradle 2 may include a display capable of outputting visual information.
  • the controller 220 generates a signal to be displayed on the display, thereby providing the user with a battery 210 (eg, remaining capacity of the battery 210, available for use).
  • Information related to whether the cradle 2 is reset e.g., reset timing, reset progress, reset completion, etc.
  • cleaning of the holder 1 e.g., cleaning timing, cleaning needs, cleaning
  • Information related to progress, cleaning completion, etc., and information related to charging of the cradle 2 may be transmitted.
  • the cradle 2 may include at least one input device (e.g., a button) that allows a user to control the function of the cradle 2, a terminal coupled with the holder 1, and / or a charge of the battery 210. It may include an interface for (eg, USB port, etc.).
  • a button e.g., a button that allows a user to control the function of the cradle 2, a terminal coupled with the holder 1, and / or a charge of the battery 210.
  • It may include an interface for (eg, USB port, etc.).
  • the user can execute various functions using the input device of the cradle 2.
  • the cradle 2 has the function of preheating the heater 130 of the holder 1, the function of adjusting the temperature of the heater 130 of the holder 1, within the holder 1.
  • a function of cleaning the space where the cigarette is inserted, a function of checking whether the cradle 2 is in an operable state, a function of displaying the remaining amount (power available) of the battery 210 of the cradle 2, and a reset of the cradle 2 Functions and the like can be performed.
  • the function of the cradle 2 is not limited to the examples described above.
  • 4A and 4B show examples of cradles.
  • FIG. 4A shows an example of a cradle 2 without a lid.
  • the cradle 2 may include a button 240 that allows a user to control the cradle 2.
  • the cradle 2 may further include a display on which an image is output.
  • FIG. 4b shows an example of a cradle 2 with a lid.
  • the holder 1 may be inserted into the interior space 230 of the cradle 2, and the holder 1 may be fixed to the cradle 2 as the lid 250 is closed.
  • FIG. 5 is a diagram illustrating an example in which a holder is inserted into a cradle.
  • the cradle 2 may not include another configuration (eg a lid) for not exposing the holder 1 to the outside.
  • the cradle 2 may include at least one fastening member 271, 272 to increase the fastening strength with the holder 1.
  • the holder 1 may also include at least one binding member 181.
  • the binding members 181, 271, and 272 may be magnets, but are not limited thereto.
  • the fastening member The number of (181, 271, 272) is not limited to this.
  • the holder 1 may include a binding member 181 in a first position
  • the cradle 2 may include binding members 271 and 272 in a second position and a third position, respectively.
  • the first position and the third position may be positions facing each other when the holder 1 is inserted into the cradle 2.
  • the fastening members 181, 271, 272 are included in the holder 1 and the cradle 2, even if the holder 1 is inserted into one side of the cradle 2, the holder 1 and the cradle 2 are secured.
  • the binding can be stronger.
  • the holder 1 and the cradle 2 further include the fastening members 181, 271, and 272 in addition to the terminals, the holder 1 and the cradle 2 may be more strongly bound.
  • the cradle 2 does not have a separate configuration (eg a lid), the inserted holder 1 may not be easily separated from the cradle 2.
  • the controller 220 uses the power of the battery 210 to control the holder.
  • the battery 110 of (1) can be charged.
  • FIG. 6 is a diagram illustrating an example in which the holder is tilted in a state where the holder is inserted into the cradle.
  • the holder 1 is tilted inside the cradle 2.
  • tilt means that the holder 1 is inclined at an angle with the holder 1 inserted in the cradle 2.
  • the end 141 of the holder 1 is exposed to the outside. Accordingly, the user may insert a cigarette into the end 141 and inhale (smoke) the generated aerosol.
  • the tilt angle [theta] can be secured at a sufficient angle so that when the cigarette is inserted into the distal end 141 of the holder 1, the cigarette is not bent or damaged.
  • the holder 1 may be tilted at a minimum angle greater than or greater than the entire cigarette insertion hole included in the distal end 141 is exposed to the outside.
  • the range of the tilt angle ⁇ may be greater than 0 ° and less than 180 °, and preferably, greater than or equal to 5 ° and less than or equal to 90 °. More preferably, the tilt angle ⁇ is in a range of 5 ° to 20 °, 5 ° to 30 °, 5 ° to 40 °, 5 ° to 50 °, or 5 ° to 60 °. Can be. More preferably, the tilt angle ⁇ can be 10 degrees.
  • the heater 130 of the holder 1 may be heated by the power supplied by the battery 210 of the cradle 2.
  • holder 1 may generate aerosol using battery 210 of cradle 2.
  • the holder 1 comprises one fastening member 182 and the cradle 2 includes two fastening members 273, 274.
  • the positions of each of the binding members 182, 273, and 274 are as described above with reference to FIG. 5. If the binding members 182, 273, and 274 are magnets, the magnet strength of the binding member 274 may be greater than the magnet strength of the binding member 273. Therefore, even when the holder 1 is tilted, by the binding member 182 and the binding member 274, the holder 1 may not be completely separated from the cradle 2.
  • the controller 220 uses the power of the battery 210 to heat the heater of the holder 1.
  • the 130 may be heated or the battery 110 may be charged.
  • FIG. 7 is a block diagram of an example of an aerosol generating device according to the present invention.
  • the aerosol generating device 1 according to the present invention includes a current sensing unit 710, a resistance adding unit 730, and a resistance removing unit 750.
  • the aerosol generating device 1 according to the present invention may include another configuration of the aerosol generating device 1 described with reference to FIGS. 1 and 2.
  • the current sensing unit 710, the resistance adding unit 730, and the resistance removing unit 750 may be included in one battery protection device module and included in the aerosol generating device 1.
  • the current sensor 710 detects whether an initial current for preheating the heater from the battery is supplied to the heater.
  • the initial current means a current supplied to the heater in order to preheat the heater, and has a characteristic of varying in size according to a change in the resistance value of the heater.
  • the resistance adding unit 730 adds an additional resistance so that the protection current having a smaller magnitude than the initial current flows to the heater when the current detecting unit 710 transmits the result of detecting the initial current. As the magnitude of the equivalent resistance that determines the magnitude of the current supplied to the heater increases, the magnitude of the current supplied to the heater may be smaller than the initial current.
  • the resistance value of the additional resistor may be set to a value smaller than the resistance value of the heater.
  • the resistance value of the additional resistance is preferably smaller than the resistance value of the heater and sufficiently low to sufficiently reduce the magnitude of the initial current supplied to the heater, and is generally included in the aerosol generating device 1. Since the resistance of the heater is 3.5 ⁇ , the heater may be set to a size smaller than 3.5 ⁇ and capable of effectively lowering the initial current.
  • the additional resistor may be a synthetic resistor calculated by the operation of at least two resistors and the switch.
  • the resistance removing unit 750 removes the additional resistance added to the heater.
  • the resistor unit 730 connects the heater and the additional resistor in series by closing the open switch, and the resistor remover 750 releases the connection of the heater and the additional resistor by opening the closed switch again. can do.
  • it is possible to control the connection and disconnection of the additional resistor by the operation of one switch located between the battery and the heater has the advantage of ensuring the reliability of the operation.
  • the resistance adding portion 730 temporarily adds an additional resistance, and removes the additional resistance while the heater is sufficiently preheated, thereby making the battery life intact. Can preserve.
  • the resistance removing unit 750 may count the time that the protection current flows to the heater and determine that the heater is preheated when the counted time reaches a preset time. .
  • the resistance removing unit 750 may store a time value required for preheating the heater in advance, and if the specific resistance of the heater is changed as the heater is replaced, the resistance value is additionally stored.
  • the resistance removing unit 750 may remove the additional resistance connected to the heater when the temperature of the heater rises more than a certain level and the resistance value of the heater exceeds a predetermined value even though the preheating of the heater is not completed.
  • FIG. 8 is a circuit diagram of a battery protection device according to the present invention.
  • FIG. 8 Each configuration illustrated in FIG. 8 is included in the current sensing unit 710, the resistor unit 730, and the resistor removing unit 750 described with reference to FIG. 7, which will be described below with reference to FIG. 7. The description duplicated with the description in 7 will be omitted.
  • the battery 810 provides power to the heater by supplying current to the heater 850.
  • the MCU 820 is a micro controller unit, and performs a function of appropriately controlling the power supplied to the heater 850.
  • the MCU 820 may include a current sensing unit 710, a resistance adding unit 730, and a resistance removing unit 750.
  • the switch 830 receives a command from the MCU 820 to add or remove the protection resistor 840.
  • the protection resistor 840 has the same configuration as the above-described additional resistor, and is coupled in series with the heater to appropriately lower the magnitude of the initial current supplied to the heater. Unlike shown in FIG. 8, the protection resistor 840 may include a plurality of switches and resistors.
  • the heater 850 is supplied with a current in a pulse width modulation (PWM) method according to operating characteristics of the battery 810, the MCU 820, and the switch 830, and heats the aerosol generating substrate to generate an aerosol.
  • PWM pulse width modulation
  • FIG. 9 is a flowchart illustrating an example of a method of protecting a battery according to the present invention.
  • FIG. 9 may be implemented by the protection device according to FIG. 7, the following description will be described with reference to FIG. 7, and a description overlapping with that described in FIG. 7 will be omitted.
  • the current detector 710 detects whether an initial current for preheating the heater is supplied to the heater (S910).
  • the resistance adding unit 730 adds an additional resistance to the heater such that less protection current flows than the detected initial current when the initial current is detected (S930).
  • the resistance remover 750 determines whether the preheating of the heater is completed (S950).
  • the resistance removal unit 750 is found that the preheating of the heater is completed, or even if the preheating of the heater is not completed, it is determined that the resistance of the heater is increased by a certain amount or more as the temperature of the heater is sufficiently increased, an additional resistance added in series to the heater Remove (S970).
  • the present invention in consideration of the resistance value of the heater that is not preheated, it is possible to preserve the life of the battery intact by temporarily adding an additional resistance to the heater and removing the additional resistance while the heater is sufficiently preheated.
  • the present invention can be used in the industry of producing batteries for electronic cigarettes.

Abstract

La présente invention concerne, selon un mode de réalisation, un procédé de protection d'une batterie d'un générateur d'aérosol, le procédé comprenant les étapes suivantes : une étape de détection de courant consistant à détecter si un courant initial pour préchauffer un dispositif de chauffage est fourni au dispositif de chauffage par une batterie ; une étape d'ajout de résistance consistant, lorsque le courant initial est détecté, à ajouter une résistance supplémentaire de façon à permettre à un courant de protection ayant une amplitude inférieure au courant initial détecté de circuler dans le dispositif de chauffage ; et une étape d'annulation de résistance consistant, lorsqu'il est déterminé que le dispositif de chauffage a été préchauffé, à annuler la résistance supplémentaire ajoutée.
PCT/KR2019/008013 2018-07-04 2019-07-02 Procédé et appareil pour protéger une batterie de générateur d'aérosol WO2020009405A1 (fr)

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KR1020180077883A KR102330294B1 (ko) 2018-07-04 2018-07-04 에어로졸 생성장치의 배터리의 보호 방법 및 그 장치
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CN113556948A (zh) * 2020-02-25 2021-10-26 韩国烟草人参公社 包括托架和保持件的气溶胶生成系统及其托架
US20220395030A1 (en) * 2020-02-25 2022-12-15 Kt&G Corporation An aerosol generating system including a cradle and a holder, and a cradle thereof

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JP2000357540A (ja) * 1999-06-14 2000-12-26 Matsushita Electric Ind Co Ltd 二次電池の保護回路
US20030226837A1 (en) * 2002-06-05 2003-12-11 Blake Clinton E. Electrically heated smoking system and methods for supplying electrical power from a lithium ion power source
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JP2000357540A (ja) * 1999-06-14 2000-12-26 Matsushita Electric Ind Co Ltd 二次電池の保護回路
US20030226837A1 (en) * 2002-06-05 2003-12-11 Blake Clinton E. Electrically heated smoking system and methods for supplying electrical power from a lithium ion power source
JP3825387B2 (ja) * 2002-10-09 2006-09-27 ソニーケミカル＆インフォメーションデバイス株式会社 保護回路付き二次電池
KR100963096B1 (ko) * 2007-04-11 2010-06-14 주식회사 엘지화학 2차전지 보호회로 및 그의 제어방법
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CN113556948A (zh) * 2020-02-25 2021-10-26 韩国烟草人参公社 包括托架和保持件的气溶胶生成系统及其托架
US20220395030A1 (en) * 2020-02-25 2022-12-15 Kt&G Corporation An aerosol generating system including a cradle and a holder, and a cradle thereof
CN113556948B (zh) * 2020-02-25 2024-04-02 韩国烟草人参公社 包括托架和保持件的气溶胶生成系统及其托架

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