WO2021000396A1 - Ensemble à fumer à chauffage sans combustion - Google Patents

Ensemble à fumer à chauffage sans combustion Download PDF

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Publication number
WO2021000396A1
WO2021000396A1 PCT/CN2019/102357 CN2019102357W WO2021000396A1 WO 2021000396 A1 WO2021000396 A1 WO 2021000396A1 CN 2019102357 W CN2019102357 W CN 2019102357W WO 2021000396 A1 WO2021000396 A1 WO 2021000396A1
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WO
WIPO (PCT)
Prior art keywords
circuit
battery
circuit board
hollow cavity
area
Prior art date
Application number
PCT/CN2019/102357
Other languages
English (en)
Chinese (zh)
Inventor
王明霞
李波
王辉
张书铭
张从跃
宋新华
岳明飞
张项瑜
尹绍锴
宋时浩
Original Assignee
青岛颐中科技有限公司
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
Application filed by 青岛颐中科技有限公司 filed Critical 青岛颐中科技有限公司
Priority to KR1020227002236A priority Critical patent/KR20220041085A/ko
Publication of WO2021000396A1 publication Critical patent/WO2021000396A1/fr

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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
    • 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
    • A24F40/90—Arrangements or methods specially adapted for charging batteries thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • 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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • 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
    • A24F40/70—Manufacture
    • 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

  • This application relates to a smoking set, in particular to a heating non-combustion smoking set for heating low-temperature non-burning cigarettes.
  • Heat-not-burn technology is a technology that directly heats tobacco through smoking but does not burn to produce smoke.
  • the harmful substances produced by this heating method are greatly reduced than those produced by burning traditional cigarettes. It satisfies the needs of consumers at the same time. Can reduce the harm to the body.
  • the main appliance of heat-not-burn technology is heat-not-burn smoking utensils.
  • Heat-not-burn smoking utensils heat the tobacco material to generate a pyrolysis reaction, so that the tobacco material is heated just enough to emit tobacco flavor and smoke for users to smoke. .
  • Existing heat-not-burn smoking devices whether they are rod-shaped or box-shaped, generally have a smoke cavity for holding tobacco products, heating elements for heating tobacco products to form smoke, and heating elements for providing electricity to the heating elements.
  • the rod-shaped heating non-combustion smoking set is favored by more and more consumers because of its small size, convenient holding and more in line with the hand-holding of traditional cigarettes.
  • the rod-shaped structure also has the defect of limited internal installation space.
  • the above-mentioned battery, heating element, smoke cavity and other structures must be integrated in a smaller installation space.
  • the radial size and radial size have a greater impact, on the other hand, it will affect the connection and positioning of the internal circuit board and the assembly of the components into the rod-shaped housing after assembly.
  • connection between the circuit board and the circuit board of the existing heating non-combustion smoking set is mostly by wire welding on the circuit boards at both ends to achieve electrical connection.
  • this connection method On the one hand, it will increase the radial size of the battery, wire, and circuit board after assembly. If the outer size of the smoking set is fixed, in order to meet the requirements of the three assembly to be installed in the smoking set, the volume of the battery needs to be reduced. , The reduction of the battery volume will reduce the battery capacity, thereby greatly reducing the endurance of the smoking device.
  • the above-mentioned wire shall be added under the condition of normal heating and not burning the battery size required for the smoking device
  • the size of the cigarette will increase the external size of the smoking device, which not only increases the overall weight of the smoking device, but also reduces the feel of consumers due to the thicker periphery; on the other hand, due to the softness of the wire, it is difficult to ensure batch consistency for its positioning and welding.
  • Patent document CN108633179A discloses a smoking device internal connection circuit board, the smoking device internal connection circuit board includes at least two rigid circuit boards, the at least two rigid circuit boards are arranged between the at least two rigid circuit boards
  • the bracket is supported and connected by a conductive circuit, wherein the conductive circuit is arranged on a support member for positioning the conductive circuit, and the support member is a flexible circuit board for carrying the conductive circuit, and the flexible circuit
  • the board is arranged adjacent to the bracket and attached to the outer surface of the bracket.
  • the bracket defines a cavity for accommodating the battery.
  • the battery is fixed on the bracket.
  • Two rigid circuit boards are supported on both sides of the battery. On the side, the positive and negative poles of the battery are respectively connected to the rigid circuit boards on both sides.
  • the circuit boards at both ends of the above-mentioned smoking set internally connected to the circuit board are rigid circuit boards, and the middle is connected by a flexible circuit board.
  • the flexible circuit board and the rigid circuit board are pressed together.
  • the rigid circuit board and the flexible circuit board need to be processed separately Molding, the two need to use different processing equipment and molding methods to make separately, the assembly process adds the connection process of the flexible circuit board and the rigid circuit board, thereby increasing the cost;
  • the battery is arranged in the cavity of the bracket, and the flexible circuit board Attached to the outside of the stent, the radial dimension of the smoking set includes at least the outer diameter of the battery, the thickness of the flexible circuit board, and the thickness of the stent, thereby greatly increasing the radial size of the smoking set, which is why the patent document
  • the reason why the internal connection circuit board of the above-mentioned smoking set is suitable for a square or flat smoking set is described. However, when it is applied to a smoking set with a rod structure, it is obvious
  • Patent document CN204464364U discloses a disposable electronic cigarette, which includes a cigarette holder and a cigarette holder.
  • the cigarette holder is provided with an atomizer, a soft-packed cylindrical battery and a microphone head.
  • the battery includes a battery cell and a flexible stick attached to the outer surface of the battery cell.
  • the circuit board is provided with positive ears and negative ears at both ends of the battery.
  • the flexible circuit board is provided with solder joints at positions corresponding to the positive ears and the negative ears.
  • the flexible circuit board is also provided with welding for atomizer and microphone welding. Point to realize the electrical connection of each component.
  • the flexible circuit board of the above electronic cigarette can be rolled up to surround the battery core to reduce the radial size of the two assembled cigarettes, its connection with the atomizer and microphone makes the circuit board, battery, and atomizer ,
  • the axial size of the assembled microphone is greatly increased, thereby increasing the axial size of the smoking set.
  • the heating principle of e-cigarettes and low-temperature non-burning cigarettes is very different.
  • the main object of heating for low-temperature non-burning cigarettes is traditional tobacco.
  • the battery life of heating non-burning cigarettes affects the number of puffs of low-temperature non-burning cigarettes Larger, and different from the atomizer and microphone set inside the electronic cigarette, the two can be used to fix the circuit board respectively.
  • the heating and non-combustion smoking device does not have the atomizer and microphone and other components, so the internal circuit board
  • the fixing method and the fixing method will have a relatively large impact on the axial and radial dimensions of the smoking device after the whole assembly, thereby affecting the user experience.
  • the present application provides a heat-not-burn smoking appliance to solve at least one technical problem in the prior art.
  • a heating and non-combustion smoking device includes a housing with a hollow cavity, a battery is arranged in the hollow cavity, the smoking device further includes a circuit assembly, the circuit assembly includes a flexible circuit board extending along the hollow cavity, so The flexible circuit board has: a positive terminal and a negative terminal for connecting a battery; a first circuit region, a second circuit region, and a connection region for connecting the first circuit region and the second circuit region; wherein, the first circuit region A circuit area and the second circuit area are both deflected to the center of the hollow cavity relative to the connection area; the connection area has a length not shorter than the battery, and at least part of the connection area is attached Attached to the outer surface of the battery.
  • the first circuit region is folded along a bending line perpendicular to the axial direction of the hollow cavity to form at least one first folded portion; the second circuit region is folded along a bending line perpendicular to the axial direction of the hollow cavity Fold to form at least one second fold.
  • the extension directions of the first folding portion and the second folding portion are both substantially parallel to the axial direction of the hollow cavity.
  • a first support member for supporting the first folding part and a second support member for supporting the second folding part are arranged in the hollow cavity.
  • the flexible circuit board further has: a first bending portion, the first bending portion is located at the junction position of the connection area and the first circuit area, the first circuit area passes through the first bending The bending portion is deflected toward the center of the hollow cavity relative to the connection area; a second bending portion, the second bending portion is located at the junction position of the second circuit area and the connection area, the The second circuit area is deflected to the center of the hollow cavity relative to the connection area via the second bending portion.
  • the battery has a substantially cylindrical shape.
  • the battery includes a positive electrode tab and a negative electrode tab respectively drawn from two cylindrical end faces of the battery.
  • the positive electrode connector is welded and fixed to the positive electrode tab, and the negative electrode connector is connected to the negative electrode. Ear welding fixed.
  • the positive electrode ear and the negative electrode ear are respectively folded toward the center positions of the two cylindrical end faces of the battery.
  • the smoking set further includes a heating assembly at least partially located in the hollow cavity, the heating assembly being used for heating low-temperature non-burning cigarettes that can be at least partially contained in the smoking set;
  • the second circuit area is provided with an adapter circuit,
  • the first circuit area is provided with a control circuit, the battery is respectively connected to the adapting circuit and the control circuit, the battery is electrically connected to an external device through the adapting circuit, and the control circuit is used to control the The power supply from the battery to the heating assembly.
  • a circuit board positioning member is provided in the hollow cavity, one end of the adapter circuit is connected with a charging interface, and the circuit board positioning member has a second cavity for accommodating the charging interface;
  • a circuit board support member is provided, and the circuit board support member includes a first clamping member and a second clamping member. The first clamping member and the second clamping member cooperate with each other and are formed to accommodate at least part of the In the first cavity of the first circuit area, at least part of the outer edge of the first circuit area is clamped between the first clamping member and the second clamping member.
  • the heating assembly includes a heating element, one end of the heating element is electrically connected to the control circuit; the heating assembly further includes a heat insulation sleeve, the heat insulation sleeve is adjacent to the circuit board support member, the At least part of the low-temperature non-combustible cigarette can be contained in the heat insulation sleeve.
  • the flexible circuit board is a printed circuit board, which is convenient to form and easy to form a batch Production; on the other hand, compared to rigid circuit boards, flexible circuit boards are not only lighter in weight, but also free to bend, wind and fold, and can be arranged arbitrarily according to the space layout requirements, thereby reducing the assembly of batteries and heating elements The latter size is conducive to the miniaturization of the smoking set.
  • the heat dissipation performance of the flexible circuit board is significantly better than that of the rigid circuit board, thereby ensuring the reliability and stability of the circuit connection.
  • This application uses a flexible circuit board to realize the electrical connection between the components, and does not need to use wires to connect the components. On the one hand, it reduces the radial size after the flexible circuit board and the battery are connected, which is beneficial to the smoking set It is miniaturized and facilitates the assembly and production of heat-not-burn smoking sets, which is conducive to improving the assembly and production efficiency of heat-not-burn smoking sets. On the other hand, without using wires to connect various components, it saves the operation of manually arranging the wires. The welding of the flexible circuit board and the battery, the flexible circuit board and the heating element, and the flexible circuit board and the charging interface is more convenient, and the circuit arrangement inside the entire smoking set is more regular.
  • Both the first circuit area and the second circuit area of the flexible circuit board described in the present application are deflected to the center of the hollow cavity relative to the connection area, thereby reducing the assembly of the flexible circuit board and the battery.
  • the axial size makes the two assembled more compact, which is conducive to the miniaturization of the smoking set.
  • the first circuit area and the second circuit area of the head-shaped circuit board can be folded along a bending line perpendicular to the axial direction of the hollow cavity, thereby forming a plurality of stacking portions at both ends of the flexible circuit board. , Thereby further reducing the axial size of the flexible circuit board.
  • the application provides a circuit board positioning member and a circuit board support member.
  • the circuit board positioning member and the circuit board support member cooperate together: on the one hand, the circuit areas at both ends of the flexible circuit board are installed and positioned, which facilitates the assembly of the flexible circuit board and avoids the flexibility caused by improper operation during the assembly process.
  • the circuit board is damaged, and the design of this soft-hard combination makes up for the slight deficiency of the flexible circuit board in the carrying capacity; on the other hand, the battery is configured to be clamped between the circuit board positioning member and the circuit board support member It realizes the "integration" of the circuit board positioning member, flexible circuit board, battery, circuit board support member and heating element, which facilitates later assembly with the housing and improves assembly efficiency.
  • the welding of the flexible circuit board with the battery, the charging interface and the heating element can be realized by automatic equipment. After the three are welded, they are assembled with the circuit board positioning member and the circuit board support member, and after the assembly is completed
  • the assembly with the shell can be realized by automatic equipment, which can save the defects of poor consistency, multiple procedures, high labor intensity, and high labor cost caused by a large number of manual operations, which greatly reduces the production cost.
  • Fig. 1 is a schematic structural diagram of an embodiment of the smoking device described in this application.
  • Fig. 2 is a cross-sectional view of an embodiment of the smoking set in this application.
  • FIG. 3 is a schematic diagram of the assembled structure of the circuit board positioning member, flexible circuit board, battery, circuit board support member, and heat insulation seat described in Example 1 of the application.
  • Example 4 is a schematic diagram of the assembled structure of the charging interface, flexible circuit board, battery and heating element described in Example 1 of this application.
  • FIG. 5 is a schematic diagram of the use state of the flexible circuit board in Embodiment 1 of the application.
  • FIG. 6 is a schematic diagram of the structure of the battery described in Example 1 of the application.
  • Figure 7 is a cross-sectional view of the circuit board positioning member, flexible circuit board, and circuit board supporting member described in Example 1 of the application after assembly.
  • top, bottom, inner, outer, axial, radial, “circumferential”, etc. indicate the orientation or The positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it cannot be understood as a limitation to the present invention.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , Or integrated; it can be a mechanical connection, it can be an electrical connection, it can also be communication; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction relationship between two components .
  • installed can be a fixed connection or a detachable connection , Or integrated; it can be a mechanical connection, it can be an electrical connection, it can also be communication; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction relationship between two components .
  • the “on” or “under” of the first feature on the second feature may be in direct contact with the first and second features, or indirectly through an intermediary. contact.
  • descriptions with reference to the terms “one embodiment”, “some embodiments”, “examples”, “specific examples”, or “some examples” etc. mean specific features described in conjunction with the embodiment or example , The structure, materials, or characteristics are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above-mentioned terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.
  • a heat-not-burn smoking device is used for heating low-temperature non-burning cigarettes.
  • the smoking set includes a housing 1 having a hollow cavity.
  • FIG. 1 shows a cylindrical housing 1 with a smooth surface, but in this application, the shape of the housing 1 is not limited to the figure.
  • the cylindrical structure shown in can also be a rod-shaped structure with an elliptical cross-section, a rod-shaped structure with a square cross-section, etc.
  • the surface of the housing 1 is not necessarily a smooth surface, and it can also be a matte surface that can increase texture. , Surfaces with edges that can increase friction to prevent the smoking device from falling off the user's hand, and surfaces with various patterns or textures to enhance the aesthetic performance of the smoking device.
  • a battery 2 such as a lithium ion battery, a polymer battery, etc., is arranged in the hollow cavity.
  • the battery 2 is connected to the heating element 81 described below to supply electric energy to the heating element 81.
  • the The battery 2 can be charged with an external power supply through the charging interface 11.
  • the capacity of battery 2 will affect the number of puffs of each low-temperature non-burning cigarette.
  • the volume of battery 2 is one of the influencing factors of battery capacity. Therefore, how to balance the small size of the smoking set and the long life of battery 2 becomes the focus of this application technical problem.
  • the smoking article further includes a circuit assembly, and the circuit assembly includes a flexible circuit board 3 extending along the hollow cavity.
  • the flexible circuit board 3 refers to a printed circuit board made of polyimide or polyester film as a substrate.
  • the flexible circuit board 3 has a positive terminal 31 and a negative terminal 32 for connecting the battery 2.
  • the battery 2 includes a positive electrode ear 21 and a negative electrode ear 22 respectively drawn from two cylindrical end faces of the battery 2, and the positive electrode connector 31 and the positive electrode ear 21 is fixed by welding, and the negative terminal 32 and the negative lug 22 are fixed by welding.
  • this embodiment realizes the integration of the battery 2 and the flexible circuit board 3 by welding and fixing the positive and negative electrodes of the battery and the positive and negative terminals of the flexible circuit board.
  • the assembly facilitates subsequent assembly of the housing 1 with the internal battery 2 and circuit components, and improves assembly efficiency.
  • the flexible circuit board 3 is used to replace the wires in the prior art, which can not only reduce the radial size of the flexible circuit board 3 and the battery 2 after assembly, but also does not require manual wiring arrangement, which improves the assembly efficiency.
  • the wires need to be welded and fixed with the circuit boards on both sides separately, and the wires need to be welded and fixed with the positive and negative electrodes of the battery.
  • only the flexible circuit board 3 and the positive and negative ears of the battery 2 are welded and fixed, which greatly reduces welding. The number of points saves the welding process.
  • the positive electrode lug 21 and the negative electrode lug 22 Fold to the center positions of the two cylindrical end faces of the battery 2 respectively, so that after the battery 2 is assembled with the flexible circuit board 3, the positive lug 21 and the negative lug 22 can be located on the battery 2 respectively.
  • the positive lug 21 and the negative lug 22 can be located on the battery 2 respectively.
  • the above-mentioned folding method of the positive and negative ears and the flexible circuit board 3 after welding on the one hand, it can protect the solder joints and ensure the reliability and stability of the connection; on the other hand, compared to the positive and negative ears after welding, In terms of the structure in which the positive and negative lugs and the periphery of the battery 2 are formed on the same straight line by folding toward the outer periphery of the two cylindrical end faces of the battery 2, this embodiment can significantly reduce the axial direction of the assembled flexible circuit board 3 and the battery 1.
  • this embodiment can significantly reduce The radial dimension of the small flexible circuit board 3 and the battery 2 after assembly.
  • this embodiment can reduce the size of the flexible circuit board 3 in the width direction, which is beneficial to the miniaturization of the smoking device.
  • the flexible circuit board 3 further has a first circuit area 33, a second circuit area 34, and a connection area 35 for connecting the first circuit area 33 and the second circuit area 34 .
  • connection area 35 has power supply lines and signal lines for realizing the interconnection of the first circuit area 33, the second circuit area 34 and the battery 2.
  • the connection area 35 has a length not shorter than that of the battery 2, and at least part of the connection area 35 is attached to the outer surface of the battery 2 to reduce the flexible circuit board 3 and the battery. 2 Radial dimensions after assembly.
  • the width of the connection area 35 in this embodiment is smaller than the outer diameter of the battery 2, so that the connection area 35 occupies a small part of the radial projection of the battery 2, compared to the connection area 35.
  • the above preferred embodiment can reduce the radial size of the flexible circuit board 3 and the battery 2 after being assembled on the one hand, and on the other hand, This facilitates the heat dissipation of the flexible circuit board 3 and the battery 2 during use.
  • the first circuit area 33 is provided with a control circuit
  • the second circuit area 34 is provided with an adapting circuit
  • the battery 2 is respectively connected to the adapting circuit and the control circuit.
  • the battery 2 is electrically connected to an external device through the adapting circuit, and the adapting circuit is at least used to charge the battery 2.
  • One end of the adapter circuit is connected to a charging interface 11, the housing 1 is provided with a through hole opposite to the charging interface 11, and the battery 2 is connected to an external power source through the charging interface 11 to charge the battery 2 .
  • the control circuit is used to control the power supply from the battery 2 to the heating components described below.
  • the control circuit is at least used to control the on and off of the control battery 2 and the heating element 81.
  • the first circuit area 33 and the second circuit area 34 are both deflected to the center of the hollow cavity relative to the connection area 35, thereby greatly reducing the connection between the flexible circuit board 3 and the hollow cavity.
  • the axial dimension of the battery 2 after assembly is described.
  • the flexible circuit board 3 further has a first bending portion 36, the first bending portion 36 is located at the joining position of the connection area 35 and the first circuit area 33, the first The circuit area 33 is deflected to the center of the hollow cavity relative to the connection area 35 via the first bending portion 36.
  • the flexible circuit board 3 also has a second bending portion 37, which is located at the junction of the second circuit area 34 and the connection area 35, and the second circuit area 34 passes through The second bending portion 37 deflects to the center of the hollow cavity relative to the connecting area 35.
  • the first circuit area 33 is folded along the bending line A-A perpendicular to the axial direction of the hollow cavity to form at least one first folded portion 331.
  • the second circuit area 34 is folded along a bending line perpendicular to the axial direction of the hollow cavity to form at least one second folded portion 341.
  • the figure shows an embodiment in which the first circuit area 33 has two first folds 331 and the second circuit area 34 has two second folds 341, but this In the application, the number of the first folding portion 331 and the second folding portion 341 is not limited to the two shown in the figure.
  • the extending directions of the first folding portion 331 and the second folding portion 341 are both substantially parallel to the axial direction of the hollow cavity, thereby reducing the number of flexible circuit boards. 3 Overall radial size.
  • the extending directions of the first folding portion 331 and the second folding portion 341 may also form a certain included angle ⁇ with the axis of the hollow cavity, for example, the included angle ⁇ satisfies 0° ⁇ 90° .
  • the charging interface 11 is electrically connected to the second folding portion 341.
  • the first folding portion 341 and the charging interface 11 are configured to be assembled and assembled into the housing After 1, the charging port 11 is located in the middle of the hollow cavity.
  • the following heating element 81 is electrically connected to the first folding part 331.
  • the first folding part 331 and the heating element 81 are configured to be assembled and assembled into the housing After 1, the heating element 81 is located in the middle of the hollow cavity.
  • the above-mentioned structure and arrangement of the various components can bring about the beneficial effect of reducing the axial size and the radial size of the components after the components are assembled, so that the smoking set is developed in the direction of miniaturization.
  • a larger battery can be used in a smoking set of the same size, thereby increasing the capacity of the battery, improving the battery life, and improving the user Experience.
  • a circuit board positioning member 7 is provided in the hollow cavity, and the circuit board positioning member 7 has a second cavity 71 for accommodating at least a part of the charging interface 11.
  • a second support member 5 for supporting the second folding portion 341 is arranged in the hollow cavity.
  • the second support member 5 is arranged in the second cavity 71, and the second support member The setting of 5 avoids excessive deformation of the second folding portion 341 during the assembly process.
  • the circuit board positioning member 7 is provided with a second elastic locking portion
  • the housing 1 is provided with a second locking hole opposite to the second elastic locking portion, at least part of the second elastic lock The stop part is inserted into the second locking hole to facilitate the assembly of the circuit board positioning member 7 and the housing 1.
  • a circuit board support member 6 is also provided in the hollow cavity, and the circuit board support member 6 is adapted to the inner wall of the hollow cavity.
  • the “fitting” is at least one of the following two situations: the outer size of the circuit board support member 6 is slightly smaller than the inner diameter of the hollow cavity, so that the circuit board support member 6 can be accommodated in the hollow cavity without large radial shaking, which facilitates the assembly process; the circuit board support member 6 is provided with a corresponding structure that matches the structure of the corresponding position on the inner wall of the hollow cavity.
  • the circuit board support member 6 extends along the axial direction of the battery 2, and one end of the battery 2 abuts against one end of the circuit board support member 6. The other end of the battery 2 abuts against one end of the circuit board positioning member 7, so that after the circuit board positioning member 7, the flexible circuit board 3, the battery 2, and the circuit board support member 6 are assembled, the circuit board positioning member 7 and The circuit board support member 6 can clamp the battery 2 and form an "integrated" structure, which facilitates the subsequent assembly of the components and the housing 1 after the above assembly.
  • the first circuit area 33 is fixed on the circuit board support member 6.
  • the circuit board support member 6 includes a first clamp 61 and a second clamp 62.
  • the cross-sections of the first clamping member 61 and the second clamping member 62 are generally arc-shaped, so that the circuit board support member 6 is generally cylindrical.
  • the circuit board support member 6 has an outer shape that fits the hollow cavity, which is convenient for assembly.
  • the cylindrical structure has a relatively large internal space compared to other geometric shapes, thereby providing the Various electronic components are installed in the first circuit area 33 or other components are arranged in the first chamber 63 described below to provide a larger installation space.
  • the first clamping member 61 and the second clamping member 62 are detachably connected.
  • the assembly between the two can be realized through a snap-fit structure, a magnetic attraction structure, or a limit structure.
  • the first clamping member 61 and the second clamping member 62 are connected by a clamping structure, and the clamping structure includes the first clamping member 61 and the A clamping post on one of the second clamping members 62 and a clamping slot provided on the other of the two.
  • the circuit board supporting member 6 has a first cavity 63, and the first and second clamping members cooperate to form the first cavity 63. At least part of the first circuit area 33 is fixed in the first cavity 63 so that the circuit board support member 6 can protect the first circuit area 33 during the assembly process.
  • each of the first folding portions 331 is located in the first cavity 63.
  • the inner side wall of the first clamping member 61 is provided with at least one first clamping portion (not shown) extending toward the inside of the first cavity 63; the second clamping member 62 At least one second clamping portion (not shown) extending toward the inside of the first cavity 63 and opposite to the first clamping portion is provided on the inner side wall of the.
  • Part of the outer edge of one of the first folding portions 331 is clamped between the first clamping portion and the second clamping portion.
  • a reinforcing layer is attached to the back of the first folding portion, and the first clamping portion and the second clamping portion clamp the area where the first folding portion 331 has the reinforcing layer.
  • first clamping member 61 or the second clamping member 62 is provided with a support table extending from the inner wall to the inside of the first chamber, and the outer edge of the first folding part 331 is placed on the On the supporting table, it is avoided that when the first clamping part and the second clamping part clamp the first folding part due to improper operation, the first circuit area is clamped between the part and the part not clamped. Excessive deformation occurs due to different forces.
  • the remaining first folding parts are clamped at the first clamping part and the second clamping part with respect to the above.
  • the first folding part therebetween is turned over along a bending line perpendicular to the axis of the hollow cavity and contained in the first cavity 63.
  • a reinforcing layer is attached to the back surface of each first folding portion 331.
  • the first circuit area 33 is also provided with a circuit switch for controlling the on-off of the control circuit.
  • the smoking article further includes a switch trigger component, and the circuit switch is operated by triggering the switch trigger component.
  • the switch trigger assembly includes an elastic pressing piece 64 arranged on one of the first clamping piece 61 and the second clamping piece 62, and an elastic pressing piece 64 arranged on the housing 1 and interacting with the elastic pressing piece.
  • the button 10 at the position of the sheet 64 is directly opposite.
  • the side of the elastic pressing piece 64 facing the first circuit area 33 is provided with a trigger portion 65. When the button 10 is pressed, the elastic pressing piece 64 moves in the direction of the first circuit area 33 and passes through the The trigger unit 65 triggers the circuit switch to realize the on or off of the control circuit.
  • the hollow cavity is provided with a first support 4 for supporting the first folding portion 331.
  • the first support 4 is provided in the first chamber. 63 within.
  • the other of the first clamping member 61 and the second clamping member 62 is provided with a first elastic locking portion, and the housing 1 is provided with a first elastic locking portion positioned opposite to the first elastic locking portion.
  • a locking hole, at least a part of the first elastic locking portion is locked into the first locking hole to facilitate the assembly of the circuit board support member 6 and the housing 1.
  • the smoking set further includes a heating assembly at least partially located in the hollow cavity, and the heating assembly is used for heating the low-temperature non-combustible cigarette 9 that can be at least partially contained in the smoking set.
  • the heating assembly includes a heating element 81, and one end of the heating element 81 is electrically connected to the control circuit.
  • the heating element 81 may be an internal heating element, an external heating element, or a heating element that combines the inside and the outside.
  • “inside” and “outside” are defined on the basis of low-temperature non-burning cigarettes9. Specifically, when the heating element is inserted into low-temperature non-burning cigarettes to heat the low-temperature non-burning cigarettes, it is defined as The internal heating element is defined as an external heating element when the heating element is wrapped around the outside of the low-temperature non-burning cigarette to roast the low-temperature non-burning cigarette.
  • the heating element When the heating element is wrapped around the outside part of the low-temperature non-burning cigarette , When there is a part inserted into the inside of a low-temperature non-burning cigarette, it is defined as a heating element that combines the inside and the outside.
  • the internal heating element can take any structural form.
  • the internal heating element can be one or more heating needles, heating rods, heating plates or heating sheets extended and inserted into the low-temperature non-burning cigarette, as an alternative,
  • the internal heating element can also be a heating wire or a thin wire. As shown in Fig. 2, Fig. 3 and Fig. 4, it shows an internal heating element in the form of a heating needle.
  • the external heating element can take any structural form.
  • the external heating element can take the form of one or more heating foils on a dielectric substrate.
  • the heating assembly further includes a heat insulation sleeve 83 which is adjacent to the circuit board support member 6, and at least part of the low temperature non-combustible cigarette 9 can be accommodated in the The inside of the heat-insulating sleeve 83 can reduce the heat transfer of the cigarette to the shell 1 during the process of heating the low-temperature non-burning cigarette 9 to avoid burning hands.
  • the heating assembly further includes a heat insulation seat 82, one end of the heat insulation seat 82 is mounted on the circuit board support member 6, and the heat insulation sleeve 83 abuts At the other end of the heat insulation base 82, one end of the heating element 81 passes through the heat insulation base 82 and is connected to the control circuit.
  • the circuit board positioning member 7, the flexible circuit board 3, the battery 2, the heating element 81, and the circuit board support member 6 are assembled into the housing 1 as a whole, thereby facilitating
  • the assembly of the smoking set improves the degree and efficiency of automated assembly, and the automated assembly process can also avoid damage to the flexible circuit board 3 due to improper operations by the assembly personnel.
  • the circuit board supporting member 6 adopts a first clamping member 61 and a second clamping member 62 to form a substantially cylindrical structure to form the first cavity 63, and the first clamping member The member 61 and the second clamping member 62 are equivalent to clamping the first circuit region 33 along the thickness direction of the first circuit region 33.
  • the first clamping member is adjacent to the battery 2
  • the second clamping member is adjacent to the thermal insulation sleeve 83
  • the first clamping member and the second clamping member are adjacent to each other. It is equivalent to clamping the first circuit area 33 along the length direction of the first folded portion 331 of the first circuit area 33, and the circuit board support member 6 does not have the first cavity as described in Embodiment 1. .
  • the switch trigger component does not have the elastic pressing piece 64 as described in the first embodiment. It directly forms a trigger portion on the part of the button 10 facing the first circuit area 33, and the button 10 When the trigger part is pressed, the trigger part triggers the circuit switch to realize the on or off of the control circuit.
  • one of the first clamping member and the second clamping member is provided with the first elastic locking portion as described in embodiment 1, and the housing is provided with In the first locking hole opposite to the first elastic locking portion, at least part of the first elastic locking portion is inserted into the first locking hole to facilitate the assembly of the circuit board support member and the housing .

Abstract

La présente invention concerne un ensemble à fumer à chauffage sans combustion, lequel comprend un boîtier (1) ayant une cavité creuse, une batterie (2) étant disposée dans la cavité creuse. Ledit ensemble à fumer comprend en outre un agencement de circuit, l'agencement de circuit comprend une carte de circuit imprimé souple (3) s'étendant le long de la cavité creuse, la carte de circuit imprimé souple (3) comprend : un connecteur d'électrode positive (31) et un connecteur d'électrode négative (32) pour connecter la batterie ; une première région de circuit (33), une seconde région de circuit (34) et une région de liaison (35) destinée à relier la première région de circuit (33) et la seconde région de circuit (34) ; la première région de circuit (33) et la seconde région de circuit (34) sont toutes deux déviées vers le centre de la cavité creuse par rapport à la région de liaison (35) ; la région de liaison (35) a une longueur qui n'est pas inférieure à celle de la batterie (2), et au moins une partie de la région de liaison (35) est fixée à une surface externe de la batterie (2). La carte de circuit imprimé souple (3) est utilisée pour relier divers composants, et deux extrémités de la carte de circuit imprimé souple (3) peuvent être déviées vers une région centrale du boîtier (1), de telle sorte que la taille de l'ensemble à fumer puisse être considérablement réduite, facilitant l'évolution de l'ensemble à fumer vers la miniaturisation.
PCT/CN2019/102357 2019-07-04 2019-08-23 Ensemble à fumer à chauffage sans combustion WO2021000396A1 (fr)

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CN201910600712.X 2019-07-04
CN201910600712.XA CN110384260B (zh) 2019-07-04 2019-07-04 一种加热不燃烧烟具

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CN110384260B (zh) 2020-12-08
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KR20220041085A (ko) 2022-03-31
CN112401312B (zh) 2023-04-11

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