NZ779816B2 - Vapour provision system and corresponding method - Google Patents
Vapour provision system and corresponding method Download PDFInfo
- Publication number
- NZ779816B2 NZ779816B2 NZ779816A NZ77981620A NZ779816B2 NZ 779816 B2 NZ779816 B2 NZ 779816B2 NZ 779816 A NZ779816 A NZ 779816A NZ 77981620 A NZ77981620 A NZ 77981620A NZ 779816 B2 NZ779816 B2 NZ 779816B2
- Authority
- NZ
- New Zealand
- Prior art keywords
- vapour
- precursor material
- power
- control circuitry
- threshold
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 3
- 239000002243 precursor Substances 0.000 claims abstract 33
- 239000000463 material Substances 0.000 claims abstract 31
- 238000012544 monitoring process Methods 0.000 claims abstract 4
- 238000010438 heat treatment Methods 0.000 claims 3
Classifications
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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
- A24F40/40—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
- A24F40/53—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
-
- 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
- A24F40/60—Devices with integrated user interfaces
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
- G05B11/28—Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulation; using pulse-width modulation
Abstract
Disclosed is a vapour provision system comprising a vaporiser for generating vapour from a vapour precursor material and a reservoir for storing vapour precursor material. The vapour provision system further comprises control circuitry configured to supply a first, non-zero level of power to the vaporiser to generate vapour from at least a portion of vapour precursor material, determine a depletion condition of the vapour precursor material based on monitoring a parameter (such as resistance) indicative of a quantity of at least a portion of the vapour precursor material and comparing the monitored parameter a plurality of thresholds, including to a first threshold, wherein each threshold is indicative of a degree of depletion of the at least a portion of the vapour precursor material; and when the control circuitry determines there is depletion based on the comparison between the monitored parameter and the first threshold, supply a second, non-zero level of power to the vaporiser, the second level of power being lower than the first level of power, wherein each threshold corresponds to one of plurality of different non-zero power levels configured to be output by the control circuitry.
Claims (15)
1. A vapour provision system comprising: a vaporiser for generating vapour from a vapour precursor material; 5 a reservoir storing vapour precursor material; and control circuitry configured to: supply a first, non-zero level of power to the vaporiser to generate vapour from at least a portion of vapour precursor material; determine a depletion condition of the vapour precursor material based on 10 monitoring a parameter indicative of a quantity of at least a portion of the vapour precursor material and comparing the monitored parameter to a plurality of thresholds, including a first threshold, wherein each threshold is indicative of a degree of depletion of the at least a portion of the vapour precursor material; and when the control circuitry determines there is depletion based on the 15 comparison between the monitored parameter and the first threshold, supply a second, non-zero level of power to the vaporiser, the second level of power being lower than the first level of power, wherein each threshold corresponds to one of plurality of different non-zero power levels configured to be output by the control circuitry.
2. The vapour provision system of claim 1, wherein the second level of power is at least one of: less than 70%, less than 50% or less than 30% of the first level of power.
3. The vapour provision system of any one of the preceding claims, wherein the second 25 level of power is set such that the vapour provision system can continue to generate vapour even after the control circuitry determines there is depletion of the at least a portion of the vapour precursor material.
4. The vapour provision system of any one of the preceding claims, wherein the control 30 circuitry is configured to supply power to the vaporiser using pulse width modulation, and wherein the first and second power levels are an average power over one duty cycle of the pulse width modulation.
5. The vapour provision system of any one of the preceding claims, wherein the system 35 further comprises an indicator, and wherein the control circuitry is configured to activate the indicator when the control circuitry determines that there is depletion based on the comparison between the monitored parameter and the first threshold.
6. The vapour provision system of any one of the preceding claims, wherein the system further comprises a vapour precursor transport element configured to transport the vapour precursor material from the reservoir to the vaporiser.
7. The vapour provision system of claim 6, wherein the depletion condition of the vapour precursor material is an indication of the quantity of vapour precursor material within the vapour precursor transport element. 10
8. The vapour provision system of any one of claims 1 to 6, wherein the depletion condition of the vapour precursor material is an indication of the quantity of vapour precursor material within the reservoir.
9. The vapour provision system of any one of the preceding claims, wherein the 15 vaporises comprises an electrically heated heating element, and wherein the parameter indicative of the quantity of at least a portion of the vapour precursor material is the electrical resistance of the heating element, and wherein the control circuitry is further configured to determine the electrical resistance of the heating element. 20
10. The vapour provision system of any one of the preceding claims, wherein the control circuitry is configured to repeatedly compare the monitored parameter to the first threshold.
11. The vapour provision system of any one of the preceding claims, wherein, when the control circuitry supplies the second level of power to the vaporiser, the control circuitry is 25 configured to compare the monitored parameter to the first threshold and supply the first level of power when the control circuitry determines there is no longer depletion based on the comparison between the monitored parameter and the threshold.
12. The vapour provision system of any one of the preceding claims, wherein, once the 30 control circuitry determines there is depletion on the basis of the first threshold, the control circuitry is configured to compare the monitored parameter to a second threshold and, when the control circuitry determines there is depletion based on the comparison between the monitored parameter and the second threshold, supply a third non-zero level of power to the vaporiser, the third level of power being lower than the second level of power.
13. A control circuitry, for use in a vapour provision system for generating a vapour from a vapour precursor material, the vapour provision system comprising a vaporiser for generating vapour from a precursor material, wherein the control circuitry is configured to supply a first, non-zero level of power to the vaporiser to generate vapour from at 5 least a portion of vapour precursor material; determine a depletion condition of the vapour precursor material based on monitoring a parameter indicative of a quantity of at least a portion of the vapour precursor material; compare the monitored parameter to a plurality of thresholds, including a first threshold, wherein each threshold is indicative of a degree of depletion of the at least a 10 portion of the vapour precursor material; and when the circuitry determines there is depletion based on the comparison between the monitored parameter and the first threshold, supply a second, non-zero level of power to the vaporiser, the second level of power being lower than the first level of power, wherein each threshold corresponds to one of plurality of different non-zero power levels configured 15 to be output by the control circuitry.
14. A vapour provision device comprising the control circuitry of claim 13.
15. A method of operating control circuitry for a vapour provision system comprising a 20 vaporiser for generating vapour from a vapour precursor material and a reservoir storing vapour precursor material, wherein the method comprises: supplying, via the control circuitry, a first, non-zero level of power to the vaporiser to generate vapour from at least a portion of vapour precursor material; determining, via the control circuitry, a depletion condition of the vapour 25 precursor material based on monitoring a parameter indicative of a quantity of at least a portion of the vapour precursor material and comparing the monitored parameter to a plurality of thresholds, including a first threshold, wherein each threshold is indicative of a degree of depletion of the at least a portion of the vapour precursor material; and 30 when the circuitry determines there is depletion based on the comparison between the monitored parameter and the first threshold, supplying, via the control circuitry, a second, non-zero level of power to the vaporiser, the second level of power being lower than the first level of power, wherein each threshold corresponds to one of plurality of different non-zero power levels configured to be output by the 35 control circuitry.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1905250.5A GB201905250D0 (en) | 2019-04-12 | 2019-04-12 | Vapour provision system and corresponding method |
| PCT/GB2020/050935 WO2020208367A1 (en) | 2019-04-12 | 2020-04-09 | Vapour provision system and corresponding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NZ779816A NZ779816A (en) | 2024-02-23 |
| NZ779816B2 true NZ779816B2 (en) | 2024-05-24 |
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