EP4173497A1 - Ensemble chauffage et dispositif de vapotage le comprenant - Google Patents

Ensemble chauffage et dispositif de vapotage le comprenant Download PDF

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Publication number
EP4173497A1
EP4173497A1 EP22000065.7A EP22000065A EP4173497A1 EP 4173497 A1 EP4173497 A1 EP 4173497A1 EP 22000065 A EP22000065 A EP 22000065A EP 4173497 A1 EP4173497 A1 EP 4173497A1
Authority
EP
European Patent Office
Prior art keywords
heating assembly
bottom wall
heating
space
disposed
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP22000065.7A
Other languages
German (de)
English (en)
Inventor
Tuanfang Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 CN202122645578.0U external-priority patent/CN216853829U/zh
Priority claimed from CN202111282506.2A external-priority patent/CN113892694A/zh
Application filed by Individual filed Critical Individual
Publication of EP4173497A1 publication Critical patent/EP4173497A1/fr
Pending legal-status Critical Current

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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
    • A24F40/46—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
    • A24F1/00—Tobacco pipes
    • A24F1/30—Hookahs
    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures

Definitions

  • the disclosure relates to a heating assembly and a vaping device comprising the same.
  • a heating assembly is disposed in the tobacco material.
  • the heating assembly When the heating assembly is energized, the tobacco material is unevenly heated, which may affect the taste of the tobacco smoke.
  • the first objective of the disclosure is to provide a heating assembly for heating tobacco material.
  • the second objective of the disclosure is to provide a vaping device comprising the heating assembly.
  • the heating assembly allows the hot air to pass through the tobacco material and enables uniform heat transfer.
  • Heating components are evenly disposed on a bottom wall of a base to give the maximum heating area which allows the heat to be conducted rapidly through the bottom wall of the base. Then the heat is transferred rapidly to the tobacco material to maintain the taste of the tobacco smoke.
  • FIG. 1 is a cross-sectional view of a vaping device according to one example of the disclosure
  • FIG. 2 is an exploded view of a heating assembly according to one example of the disclosure
  • FIG. 3 is a perspective view of a heating assembly according to one example of the disclosure.
  • FIG. 4 is a cross-sectional view of a heating assembly according to one example of the disclosure.
  • FIG. 5 is a bottom perspective view of a heating assembly according to one example of the disclosure.
  • FIG. 6 is a perspective view of a base assembled with a heating element according to one example of the disclosure.
  • FIG. 7 is a top view of a base according to one example of the disclosure.
  • FIG. 8 is a cross-sectional view including arrows showing the direction of air flow in a heating element according to one example of the disclosure.
  • a vaping device comprises a tobacco chamber 1 for holding tobacco material, a heating assembly 2 for heating the tobacco material, and a control assembly 3 for regulating the operation of the heating assembly 2.
  • the control assembly 3 is disposed on the heating assembly 2, and the heating assembly 2 is disposed on the tobacco chamber 1.
  • the control assembly comprises a circuit control board, and optionally further comprises a battery.
  • the heating assembly 2 comprises a heating element 25 and a base 26.
  • the base 26 comprises a bottom wall 2609 and a side wall 2603.
  • a space 2605 is surrounded by the bottom wall 2609 and the side wall 2603.
  • the heating element 25 is distributed on the bottom wall 2609 and configured to heat air in the space 2605.
  • the bottom wall 2609 comprises at least one air outlet 2604 through which the heat flows out of the space 2605.
  • the tobacco chamber 1 comprises an open top through which the tobacco material is inserted into the tobacco chamber 1.
  • the bottom wall 2609 is disposed on the tobacco chamber 1 to cover the open top.
  • the focused stream of hot air in the space 2605 flows down through the at least one air outlet 2604 into the tobacco chamber 1, thus warming up evenly throughout the tobacco material.
  • the heating element 25 is distributed on the bottom wall 2609 so as to quickly transfer heat to the bottom wall 2609 and raise the temperature in the tobacco material, thus maintaining the taste of the tobacco smoke.
  • the heating element 25 comprises conductive materials including but not limited to, conductive metals, graphene, and carbon nanomaterials.
  • the heating element is energized to produce the heat; optionally, an electromagnetic field is produced in a coil and causes heat generation in the heating element 25.
  • the bottom wall 2609 comprises a plurality of partitions 260 dividing the space 2605 into a plurality of separate spaces 2601.
  • the heating element 25 is disposed in the plurality of separate spaces 2601.
  • the plurality of partitions 260 is erected on the bottom wall 2609 using any desired method, such as integral formation or assembly.
  • the plurality of partitions 260 is configured to prevent changes in the position of the heating element 25, thus preventing short circuit.
  • the plurality of partitions 260 is configured to reduce heat loss in the plurality of separate spaces 2601.
  • the plurality of separate spaces 2601 communicates with one another to form a passage; two ends of the heating element 25 extend in the passage so that the heating element stretches in each separate space.
  • the vaping device comprises only one heating element 25 provided with two pins; the heating element 25 extends along the passage to have a maximum length, and is soldered to the two pins for electricity conducting. The maximum length of the heating element 25 causes a rise in voltage and maximizes the amount of heat produced.
  • the plurality of separate spaces 2601 need not communicate with one another; a plurality of heating elements 25 is inserted through plurality of partitions 260 and disposed on the bottom wall 2609; the plurality of partitions 260 is formed integrally with or connected to one another.
  • the plurality of partitions 260 comprises a plurality of main partitions 2607 with different sizes.
  • the separate space 2601 is formed between every two adjacent main partitions 2607.
  • Each of the plurality of main partitions 2607 is in the shape of a ring with an opening 2606.
  • a smaller main partition 2607 is disposed in an adjacent larger main partition, and the openings of the smaller main partition 2607 and the adjacent larger main partition 2607 are disposed in two opposite directions.
  • the plurality of main partitions 2607 can be any shape or form including a circular shape, an elliptical shape, and a polygonal shape (for examples, a rectangular shape, a triangular shape, and a diamond shape). Referring to FIG.
  • the plurality of main partitions 2607 comprises a first main partition 2607a, a second main partition 2607b, and a third main partition 2607c, which are disposed in turn outward from the same center point;
  • the first main partition 2607a comprises a first opening;
  • the second main partition 2607b comprises a second opening;
  • the third main partition 2607c comprises a third opening;
  • the first main partition 2607 is surrounded by the second main partition 2607b, and the first opening and the second opening are disposed in two opposite directions;
  • the second main partition 2607b is surrounded by the third main partition 2607c, and the second opening and the third opening are disposed in two opposite directions;
  • the first opening and the third opening are disposed in the same direction.
  • each of the plurality of main partitions 2607 is in the form of a sheet with a flat surface (as shown in FIG. 7 ), and need not comprises any opening 2606.
  • the plurality of main partitions 2607 is spirally disposed on the bottom wall 2609 and need not comprise any opening 2606; and the heating element 25 is matched with the plurality of separate spaces 2601 in shape and size to ensure that it can be disposed therein.
  • each of the plurality of partitions 260 further comprises a joint and an auxiliary partition 2608; the joint is disposed opposite to the opening; and the auxiliary partition extends from the joint through the opening of adjacent larger main partition.
  • the plurality of main partitions 2607 comprises a first main partition 2607a, a second main partition 2607b, and a third main partition 2607c, which are disposed in turn outward from the same center point;
  • the first main partition 2607a comprises a first opening and a first joint disposed opposite to the first opening;
  • the second main partition 2607b comprises a second opening and a second joint disposed opposite to the second opening;
  • the third main partition 2607c comprises a third opening and a third joint disposed opposite to the third opening;
  • the first main partition 2607 is surrounded by the second main partition 2607b, and the first opening and the second opening are disposed in two opposite directions;
  • the second main partition 2607b is surrounded by the third main partition 2607c, and the second opening and the third opening are
  • the base 26 comprises a plurality of air outlets 2604 evenly distributed on the bottom wall 2609; preferably, the plurality of air outlets 2604 is evenly distributed, thus allowing the hot air to pass through the tobacco material and enabling uniform heat transfer.
  • the base 26 further comprises at least one protruding part 2611 disposed on the outer surface of the bottom wall 2609; and a gap is formed between the at least one protruding part 2611 and the tobacco material. Since the tobacco material may burn and stick to the surface of the heating element 25, the gap reduces contact between the tobacco material and the heating element 25, which leads to an increased service life of the heating element 25.
  • the side wall 2603 comprises a distal end away from the bottom wall 2609; the distal end extends radially to form a flange 2610; the flange 2610 is disposed on the open top of the tobacco chamber to prevent the base 26 from moving.
  • the heating assembly further comprises a cover 24 disposed on the distal end of the side wall 2603 to cover the space 2605.
  • the cover 24 comprises at least one air inlet 2401 through which the air is conducted into the space 2605.
  • the projection of the at least one air inlet 2401 does not overlap with the at least one air outlet 2604.
  • the at least one air inlet 2401 communicates with the at least one air outlet 2604 through the space 2605.
  • the number of the at least one air inlet 2401 is determined by demand. Since the projection of the at least one air inlet 2401 does not overlap with the at least one air outlet 2604, a vortex is formed as a result of the heat flow, which allows the hot air to flow along the space 2605, reduces heat loss, and improves heat utilization.
  • the cover 25 is disposed on the flange 2610.
  • the cover 24 is made of a thermal insulating material including not limited to mica, agate, jade, and crystal.
  • the thermal insulating material is made of mica which helps to minimize heat loss.
  • the base 26 and the plurality of partitions 260 are separately made of a thermally-conductive electrically-insulating material including but not limited to, ceramic, glass, and quartz.
  • the base 26 and the plurality of partitions 260 are separately made of ceramic.
  • the heating element 25 comprises a heating wire and/or a heating tube in a spiral shape that maximizes the heating area.
  • the heating wire is in the shape of a spiral which gives the maximum length, offering advantages such as low electrical resistivity, high heat generation, and low power consumption. The heat is transferred rapidly to the tobacco material to make an improvement on the tobacco smoke.
  • the tobacco chamber 1 comprises the open top; the heating assembly 2 is disposed on the open top; the bottom wall 2609 covers the open top, and the at least one air outlet is oriented toward the tobacco material; almost all the heat flows to the tobacco material to achieve a good heating efficiency.
  • FIG. 8 is a cross-sectional view including arrows showing the direction of the heat flow in the vaping device of the disclosure.
  • the heating element 25 is energized to produce the heat, and allows the heat to be conducted through the plurality of separate spaces 2601. External air flows through the at least one air inlet 2401 into the plurality of separate spaces 2601, and forces the heat through the at least one air outlet 2604 to heat the tobacco material.

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  • Resistance Heating (AREA)
EP22000065.7A 2021-11-01 2022-03-21 Ensemble chauffage et dispositif de vapotage le comprenant Pending EP4173497A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122645578.0U CN216853829U (zh) 2021-11-01 2021-11-01 一种用于加热烟料的加热组件及烟具
CN202111282506.2A CN113892694A (zh) 2021-11-01 2021-11-01 一种用于加热烟料的加热组件及烟具

Publications (1)

Publication Number Publication Date
EP4173497A1 true EP4173497A1 (fr) 2023-05-03

Family

ID=80930331

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22000065.7A Pending EP4173497A1 (fr) 2021-11-01 2022-03-21 Ensemble chauffage et dispositif de vapotage le comprenant

Country Status (3)

Country Link
US (1) US20230134640A1 (fr)
EP (1) EP4173497A1 (fr)
CA (1) CA3158226A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006085126A1 (fr) * 2005-02-14 2006-08-17 El-Said Salim Narguile de qualite amelioree
WO2014207719A1 (fr) * 2013-06-28 2014-12-31 Damco S.R.L. Nécessaire pour cigarettes électroniques
CN204191592U (zh) * 2014-10-21 2015-03-11 朱晓春 一种电子烟雾化器发热组件
DE202019005307U1 (de) * 2019-01-30 2020-02-21 Schmidt Innovations GmbH Wärmeregulationssystem für eine Wasserpfeife

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8983282B2 (en) * 2009-02-26 2015-03-17 Edwar Bishara Electric heater for hookah
US9591876B2 (en) * 2013-04-23 2017-03-14 Atmos Nation Llc Electric vaporizer heating assembly with dual anodized heating compartments
US9795168B2 (en) * 2014-10-21 2017-10-24 Xiaochun Zhu Heating assemblies for E-cigarette vaporizers
WO2017153827A1 (fr) * 2016-03-07 2017-09-14 Wallbrooke Investments Ltd. Appareil de chauffage par induction et procédé associé
US20200196676A1 (en) * 2018-12-25 2020-06-25 Shenzhen Kanger Technology Co., Ltd. Heating elements and dual-use electronic cigarettes having the heating elements

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006085126A1 (fr) * 2005-02-14 2006-08-17 El-Said Salim Narguile de qualite amelioree
WO2014207719A1 (fr) * 2013-06-28 2014-12-31 Damco S.R.L. Nécessaire pour cigarettes électroniques
CN204191592U (zh) * 2014-10-21 2015-03-11 朱晓春 一种电子烟雾化器发热组件
DE202019005307U1 (de) * 2019-01-30 2020-02-21 Schmidt Innovations GmbH Wärmeregulationssystem für eine Wasserpfeife

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Publication number Publication date
CA3158226A1 (fr) 2023-05-01
US20230134640A1 (en) 2023-05-04

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