NZ779596B2 - Vapour provision system and corresponding method - Google Patents

Vapour provision system and corresponding method Download PDF

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Publication number
NZ779596B2
NZ779596B2 NZ779596A NZ77959620A NZ779596B2 NZ 779596 B2 NZ779596 B2 NZ 779596B2 NZ 779596 A NZ779596 A NZ 779596A NZ 77959620 A NZ77959620 A NZ 77959620A NZ 779596 B2 NZ779596 B2 NZ 779596B2
Authority
NZ
New Zealand
Prior art keywords
heating element
resistance value
predetermined threshold
vapour
provision system
Prior art date
Application number
NZ779596A
Other versions
NZ779596A (en
Inventor
Shixiang Chen
Original Assignee
Nicoventures Trading Limited
Filing date
Publication date
Priority claimed from GBGB1903137.6A external-priority patent/GB201903137D0/en
Application filed by Nicoventures Trading Limited filed Critical Nicoventures Trading Limited
Publication of NZ779596A publication Critical patent/NZ779596A/en
Publication of NZ779596B2 publication Critical patent/NZ779596B2/en

Links

Classifications

    • 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
    • A24F40/42—Cartridges or containers for inhalable precursors
    • 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
    • A24F40/46—Shape or structure of electric heating means
    • 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
    • A24F40/50—Control or monitoring
    • A24F40/51—Arrangement of sensors
    • 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
    • A24F40/53—Monitoring, e.g. fault detection
    • 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
    • A24F40/57—Temperature control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • 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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/023—Industrial applications
    • H05B1/0244—Heating of fluids

Abstract

vapour provision system comprising a heating element (48) for generating a vapour from a vapour precursor material; and control circuitry (20) configured to provide power for the heating element (48) for performing a heating operation to generate the vapour and to compare a measurement of a resistance value for the heating element for the heating operation with a predetermined threshold resistance value for the heating element for use in detecting a fault condition. The control circuitry (20) is further configured to: monitor the resistance of the heating element (48) during at least one heating operation of the heating element (48) to determine a plurality of monitored resistance values over a period of time (302); compare each of the plurality of monitored resistance values with the predetermined threshold resistance value (304); and detect a fault condition for the heating element (48) based on the comparison of the plurality of monitored resistance values with the predetermined threshold resistance value (306), wherein the control circuitry is configured to detect said fault condition for the heating element in the event a plurality of the monitored resistance values exceed the predetermined threshold resistance value during the period of time.

Claims (8)

1. A vapour provision system comprising: a heating element for generating a vapour from a vapour precursor material; and 5 control circuitry configured to provide power for the heating element for performing a heating operation to generate the vapour and to compare a measurement of a resistance value for the heating element for the heating operation with a predetermined threshold resistance value for the heating element for use in detecting a fault condition, wherein the control circuitry is further configured to: 10 monitor the resistance of the heating element during at least one heating operation of the heating element to determine a plurality of monitored resistance values over a period of time; compare each of the plurality of monitored resistance values with the predetermined threshold resistance value; and 15 detect a fault condition for the heating element based on the comparison of the plurality of monitored resistance values with the predetermined threshold resistance value, wherein the control circuitry is configured to detect said fault condition for the heating element in the event a plurality of the monitored resistance values exceed the predetermined threshold resistance value during the period of time.
2. A vapour provision system according to claim 1, wherein the plurality of the monitored resistance values which exceed the predetermined threshold resistance value are consecutive. 25
3. A vapour provision system according to claim 1 or 2, wherein the plurality of the monitored resistance values which exceed the predetermined threshold resistance value comprises at least two monitored resistance values which exceed the predetermined threshold resistance value. 30
4. A vapour provision system according to claim 3, wherein the plurality of the monitored resistance values which exceed the predetermined threshold resistance value comprises at least three monitored resistance values which exceed the predetermined threshold resistance value. 35
5. A vapour provision system according to any one of claims 1 to 4, wherein the period of time is the duration of a heating operation of the heating element.
6. A vapour provision system according to any one of claims 1 to 4, wherein the period of time is the duration of a predetermined consecutive number of heating operations of the heating element. 5
7. A vapour provision system according to claim 6, wherein the predetermined consecutive number of heating operations of the heating element is ten consecutive heating operations of the heating element.
8. A vapour provision system according to any one of claims 1 to 4, wherein the period 10 of time comprises at least one of 10 seconds, 30 seconds, 60 seconds, or
NZ779596A 2020-03-06 Vapour provision system and corresponding method NZ779596B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1903137.6A GB201903137D0 (en) 2019-03-08 2019-03-08 Vapour provision system and corresponding method
PCT/GB2020/050549 WO2020183138A1 (en) 2019-03-08 2020-03-06 Vapour provision system and corresponding method

Publications (2)

Publication Number Publication Date
NZ779596A NZ779596A (en) 2024-03-22
NZ779596B2 true NZ779596B2 (en) 2024-06-25

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