Heated, non-combustible electronic vaping device with dual heaters and air heating

By employing a dual-heater design in the heated non-combustible electronic cigarette, with the main heater located at the bottom and the auxiliary heater surrounding the sides, the problems of low heating efficiency and uneven heating are solved, achieving a highly efficient and uniform heating effect.

CN224670870UActive Publication Date: 2026-08-25DONGGUAN MYSMOK ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202520485804.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-08-25
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

Traditional heated non-combustible electronic cigarettes have low heating efficiency and uneven heating, and the heating element is easy to break and difficult to clean.

Method used

It adopts a dual-heater design, with the main heater located at the bottom of the heating chamber and the auxiliary heater surrounding the side. The main heater heats the air through heating holes, while the auxiliary heater provides auxiliary heating and insulation. The power supply module controls the operation of both heaters separately.

Benefits of technology

It improves heating efficiency and heating uniformity, prevents heat loss, and avoids problems such as heater breakage and cleaning difficulties.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224670870U_ABST
    Figure CN224670870U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of heating not combustible electronic cigarettes with double heater and air heating, including shell, power supply module and heating assembly installed in shell, the heating cavity is in the shell, the power supply module is powered to the heating assembly, to make the heating assembly to the heating cavity heating, the heating assembly includes main heater and auxiliary heater, the main heater is formed with several heating holes for air to pass through, the air inlet of the heating hole is communicated with the air inlet of smoking gas flow channel, the air outlet is communicated with the lower end of the heating cavity, when smoking, air from the air inlet enters the heating hole of the main heater, after being heated, flow into the heating cavity, so that the main heater is heated to the air that will enter the heating cavity;The auxiliary heater surrounds the side of the heating cavity to heat and keep warm the heating cavity. Compared with prior art, the utility model has high heating efficiency and uniform heating.
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Description

Technical Field

[0001] This utility model relates to the field of electronic cigarettes, and more particularly to air-heated electronic cigarettes. Background Technology

[0002] Traditional heating technology involves the heater directly contacting the cigarette to heat aerosol and mist products. However, this traditional heating technology makes the heater prone to breakage and difficult to clean after prolonged use.

[0003] Therefore, in existing air-heated technology, the cigarette only receives heat from the air for heating, and the heater is located at the bottom of the cigarette, so there is no possibility of breakage, and the heater does not need to be cleaned. However, because this type of air-heated electronic cigarette has the heater located at the bottom of the cigarette and does not contact the cigarette, it not only has low heating efficiency, but is also prone to uneven heating.

[0004] Therefore, there is an urgent need for a heated non-combustible electronic cigarette with dual heaters and air heating that can solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a non-combustible electronic cigarette with dual heaters and air heating, which has high heating efficiency and uniform heating.

[0006] To achieve the above objectives, this utility model provides a heated non-combustible electronic cigarette with dual heaters and air heating, including a housing, a power supply module installed within the housing, and a heating assembly. The housing has a heating cavity, and the power supply module supplies power to the heating assembly so that the heating assembly heats the heating cavity. The heating assembly includes a main heater and an auxiliary heater. The main heater has several heating holes for air to pass through. The air inlets of the heating holes are connected to the air intake of the smoking airflow channel, and the air outlets of the heating holes are connected to the lower end of the heating cavity. When smoking, outside air enters the heating holes of the main heater from the air intake, is heated, and flows into the heating cavity, so that the main heater heats the air about to enter the heating cavity. The auxiliary heater surrounds the side of the heating cavity to heat and keep the heating cavity warm.

[0007] Preferably, the heated tobacco product further includes a heat insulation sleeve and a heat-resistant component. The heat insulation sleeve is fitted onto the housing and forms a heat insulation cavity therein. The main heater is installed at the bottom of the heat insulation cavity, and the heat-resistant component is installed above the main heater. The heating cavity is formed in the area of ​​the heat insulation cavity above the heat-resistant component. The auxiliary heater is installed on the inner wall of the heating cavity or on the heat insulation sleeve and forms the inner wall of the heating cavity, so that the auxiliary heater can effectively assist in heating and heat preservation of the tobacco cartridge in the heating cavity.

[0008] More preferably, the heat-resistant component is a sealing component, the lower side of which forms a mounting groove that can accommodate at least a portion of the main heater, the bottom of which is a sealing partition with an air passage, and the upper side of which forms an annular mounting platform for the auxiliary heater to surround. The sealing component connects the main heater and the auxiliary heater together, allowing the air during smoking to pass only through the air hole of the main heater without passing through the auxiliary heater.

[0009] Specifically, the inner wall of the heating chamber is recessed with an annular mounting area for installing the auxiliary heater.

[0010] Preferably, a dust cover that opens and closes relative to the inlet of the heating chamber is also slidably mounted on the housing.

[0011] Preferably, the heated non-combustible electronic cigarette also includes a heat insulation component located outside the heat insulation sleeve.

[0012] Preferably, the main heater and the auxiliary heater are electrically connected to the power supply module via electrode needles or cables.

[0013] Preferably, the auxiliary heater is a film-thickness heating tube, and the auxiliary heater is annular and constitutes at least a portion of the cavity wall of the heating chamber.

[0014] Preferably, the main heater is cylindrical, with the air inlet of the main heater located on the side and the air outlet of the main heater located at the top.

[0015] Preferably, the heated tobacco product also includes a cartridge detector, the probe of which is mounted on the inner wall of the heating chamber and triggers the heating assembly to start heating after the cartridge is inserted into the heating chamber.

[0016] Preferably, the heated non-combustible electronic cigarette further includes a control module, a first drive module, and a second drive module. The power supply module includes a battery storage module, a battery management module, and a power management module. The battery management module controls the charging and discharging of the battery storage module. The power management module performs DC / DC conversion on the electrical energy of the battery storage module and supplies power to the heating component through the first drive module and the second drive module. The first drive module is electrically connected to the main heater and controls the main heater to heat the air to be entered into the heating chamber. The second drive module is electrically connected to the auxiliary heater and controls the auxiliary heater to heat the heating chamber. The control module is connected to the first drive module, the second drive module, the battery management module, and the power management module to control the operation of the first drive module, the second drive module, the battery management module, and the power management module.

[0017] Compared with the prior art, this utility model uses air-heated electronic cigarettes. In addition to setting the main heater at the bottom of the heating chamber, an auxiliary heater is also set on the side of the heating chamber to assist in heating and heat preservation of the heating chamber. This not only prevents heat loss, but also provides supplementary heating, making the heating of the e-cigarette cartridge more uniform and the heating efficiency higher. Attached Figure Description

[0018] Figure 1 This is a structural diagram of the heated non-combustible electronic cigarette in Embodiment 1 of this utility model.

[0019] Figure 2 This is a structural diagram of the heating head in the heated non-combustible electronic cigarette of Embodiment 1 of this utility model.

[0020] Figure 3 This is a structural diagram of the heating head in the heated non-combustible electronic cigarette of Embodiment 2 of this utility model.

[0021] Figure 4 This is a side view of the main heater of this utility model.

[0022] Figure 5 The main heater of this utility model is along Figure 4 A cross-sectional view along line AA in the middle.

[0023] Figure 6 This is a top view of the main heater of this utility model.

[0024] Figure 7 This is a top view of the auxiliary heater of this utility model.

[0025] Figure 8 This utility model's auxiliary heater is along Figure 7 A sectional view taken along the BB line.

[0026] Figure 9 This is a circuit block diagram of the heated non-combustible electronic cigarette of the present invention. Detailed Implementation

[0027] To explain in detail the technical content, structural features, objectives and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0028] refer to Figure 1 and Figure 2 This utility model discloses a heated non-combustible electronic cigarette with dual heaters and air heating, including a housing, a power supply module installed in the housing, and a heating component.

[0029] refer to Figure 1The housing includes a main housing 3, a bottom cover 8, an upper cover 2, and a lower cover 4. The main housing 3 is a hollow housing containing a power supply module. The bottom cover 8 is installed at the lower opening of the main housing 3. The upper cover 2 and the lower cover 4 are fastened together to form a cover, which closes to the upper opening of the main housing. The power supply module includes a battery storage module 7, a battery management module 71, and a power management module 72. The battery storage module 71 is a battery pack that stores electrical energy. The battery management module 71 manages the charging and discharging of the battery storage module 71. The power management module 72 converts the electrical energy of the battery storage module 71 into a corresponding voltage and performs DC / DC conversion to power the heating components.

[0030] refer to Figure 2 The housing has a heating chamber 21, and the power supply module supplies power to the heating component so that the heating component heats the heating chamber 21. The heating chamber 21 is used for inserting the smoke cartridge 1.

[0031] The heating assembly includes a main heater 12 and an auxiliary heater 6. The main heater 12 has several heating holes for air to pass through. Each heating hole includes an air inlet 121 and an air outlet 122. The air inlet 121 at one end of the heating hole communicates with the outside through an air passage, and the air outlet 122 at the other end communicates with the heating chamber 21 through an air passage, so that when smoking, air passes through the heating holes of the main heater 12, is heated, and flows into the heating chamber 21. The auxiliary heater 6 surrounds the side of the heating chamber 21 to heat and keep the heating chamber 21 warm.

[0032] refer to Figure 7 and Figure 8 The auxiliary heater 6 is a film-thickness heating tube, which is annular and forms the cavity wall of the heating chamber 21. The resistance of the auxiliary heater 6 ranges from 0.4 to 1.0 ohms. The resistance of the main heater also ranges from 0.4 to 1.0 ohms.

[0033] refer to Figure 2 The heated tobacco product also includes a heat insulation sleeve 5 and a heat-resistant component 14. The heat insulation sleeve 5 is mounted on the housing and forms a heat insulation cavity therein. The main heater 12 is installed at the bottom of the heat insulation cavity, and the heat-resistant component 14 is installed above the main heater 12, forming a heating cavity 21 in the area of ​​the heat insulation cavity above the heat-resistant component 14. The auxiliary heater 6 is mounted on the heat insulation sleeve 5 and forms the inner wall of the heating cavity 21, so that the auxiliary heater 6 can effectively assist in heating and heat preservation of the tobacco cartridges inside the heating cavity 21. The heat insulation sleeve 5 is mounted on the lower cover 4.

[0034] refer to Figure 2The heat-resistant component 14 is a sealing component. The lower side of the sealing component forms a mounting groove that accommodates at least a portion of the main heater 12. The bottom of the mounting groove is a sealing partition with an air passage. The upper side of the sealing component forms an annular mounting platform around which the auxiliary heater 6 surrounds. The sealing component connects the main heater 12 and the auxiliary heater 6 together, allowing the air during smoking to pass only through the air vents of the main heater 12 without passing through the auxiliary heater 6. The sealing component can be made of silicone.

[0035] A smoking airflow channel is formed within the housing. The inlet of the smoking airflow channel is located on the housing, and the outlet is located at the inlet of the heating chamber 21. After the tobacco cartridge 1 is inserted into the heating chamber 21, the air in the smoking airflow channel enters through the inlet on the housing, passes through the air inlet 121 of the main heater 12, is heated in the main heater 12, and is then output from the air outlet 122 of the main heater 12 to the tobacco cartridge 1 in the heating chamber 21. The heated air heats the tobacco in the tobacco cartridge 1 to produce smoke, and the air carrying the smoke is then drawn out from the top of the tobacco cartridge through the air passage in the cartridge. The entire smoking airflow channel is sealed along the entire route except for the inlet and outlet, so that the air entering from the inlet must pass through the main heater 12 before entering the tobacco cartridge 1 in the heating chamber 21.

[0036] In this embodiment, the inner wall of the heating cavity 21 is recessed with an annular mounting area for mounting the auxiliary heater 6. The longitudinal cross-section of the annular mounting area is frustum-shaped.

[0037] Preferably, a dust cover 17 is slidably mounted on the housing, which opens and closes relative to the inlet of the heating chamber 21. Moving the dust cover 17 causes the sliding cover 17 to slide on the upper cover 2 to cover or expose the inlet of the heating chamber 21.

[0038] Preferably, the heated non-combustible electronic cigarette also includes a heat insulation component 3, which is located outside the heat insulation sleeve 5.

[0039] refer to Figure 1 The main heater 12 and the auxiliary heater 6 are electrically connected to the power supply module via cables.

[0040] refer to Figures 4 to 6 The main heater 12 is columnar, with its air inlet 121 located on its side and its air outlet 122 located on its top. The air inlet 121 penetrates the side of the main heater 12. The main heater 12 can be a ceramic heating element or a metal heating element. Multiple air outlets 122 are evenly distributed on the top of the main heater 12. Alternatively, an irregular honeycomb-like porous structure can be formed in the main heater 12 to create several irregular air channels for heating the air.

[0041] The heated tobacco product also includes a cartridge detector 16. The probe of the cartridge detector 16 is mounted on the inner wall of the heating chamber 21 and triggers the heating assembly to start heating after the cartridge 1 is inserted into the heating chamber 21. The probe of the cartridge detector 16 is an insulating sleeve 15 that protrudes into the heating chamber 21 from the side wall of the heating chamber 21. The insulating sleeve 15 extends into a notch in the side wall of the heating chamber 21 and seals the notch. When the cartridge 1 enters, it can press the insulating sleeve 15, which moves the trigger head of the cartridge detector 16 inward to trigger the detection circuit of the smoke detector 16, so that the cartridge detector 16 detects the insertion of the cartridge 1.

[0042] refer to Figure 9 The heated non-combustible electronic cigarette also includes a control module 9, a first drive module 91, and a second drive module 92. The power supply module includes a battery storage module 7, a battery management module 71, and a power management module 72. The battery management module 71 controls the charging and discharging of the battery storage module 7. The power management module 72 converts the electrical energy of the battery storage module 7 into DC / DC power and supplies power to the heating components through the first drive module 91 and the second drive module 92, respectively. The first drive module 91 is electrically connected to the main heater 12 and controls the main heater 12 to heat the air that is about to enter the heating chamber 21. The second drive module 92 is electrically connected to the auxiliary heater 6 and controls the auxiliary heater 6 to heat the heating chamber 21. The control module 9 is connected to the first drive module 91, the second drive module 92, the battery management module 71, and the power management module 72 to control the operation of the first drive module 91, the second drive module 92, the battery management module 71, and the power management module 72.

[0043] The heated tobacco product also includes a button 11, which is mounted on the side of the housing and exposed via a button bracket 10. The heated tobacco product also includes a display screen, a charging interface, and other components. The button 11 is used to control power on / off and check battery level. The display screen shows the current operating status and the battery level of the energy storage module 7. The charging interface is a USB interface of type-C or similar standard.

[0044] refer to Figure 2 In Embodiment 1, the heat insulation sleeve 5 is divided into a first part, a second part, and a third part from top to bottom. The first part is engaged with the lower cover 4 and extends into the annular mounting area formed by the lower cover 4. An annular auxiliary heater 6 is installed near the second part. The third part is used to install the main heater 12.

[0045] During operation, control module 9 controls the first drive module 91 and the second drive module 92 to work accordingly, so that the main heater 12 heats the air at the bottom of the heating chamber 21, and the heated air flows into the heating chamber 21 to heat the cartridge 1 inside. At the same time, the auxiliary heater 6 provides auxiliary heating and heat preservation for the cartridge 1 from all sides of the heating chamber 21, so that the cartridge 1 can quickly rise to the corresponding temperature to produce smoke. The auxiliary heater 6 mainly maintains the temperature of the cartridge in the heating chamber 21 to prevent heat loss.

[0046] Unlike Example 1, refer to Figure 3 In embodiment 2, the heat insulation sleeve 5a includes an inner wall and an outer wall spaced around the inner wall. A heating cavity 21 is formed on the inner side of the upper half of the inner wall, and an auxiliary heater 6a is installed inside the inner wall. (Reference) Figure 3 , Figure 7 and Figure 8 The auxiliary heater 6a is electrically connected to the power supply module via electrode pin 61. The main heater 12a is electrically connected to the power supply module via electrode pin 123.

[0047] The auxiliary heater 6 is a film-thickness heating tube, which is annular and forms the cavity wall of the heating chamber 21.

[0048] refer to Figures 4 to 6 The main heater 12a is cylindrical, with its air inlet 121 located on its side and its air outlet 122 located on its top. The air inlet 121 penetrates the side of the main heater 12a. The main heater 12a can be a ceramic heating element or a metal heating element. Multiple air outlets 122 are evenly distributed on the top of the main heater 12a.

[0049] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent changes made in accordance with the scope of the present utility model application shall still fall within the scope of the present utility model.

Claims

1. A heated non-combustible electronic cigarette with dual heaters and air heating, comprising a housing, a power supply module and a heating assembly installed within the housing, wherein the housing has a heating chamber, and the power supply module supplies power to the heating assembly to heat the heating chamber, characterized in that: The heating assembly includes a main heater and an auxiliary heater. The main heater has several heating holes for air to pass through. The air inlets of the heating holes are connected to the air intake of the smoke airflow channel, and the air outlets of the heating holes are connected to the lower end of the heating chamber. When smoking, outside air enters the heating holes of the main heater from the air intake, is heated, and flows into the heating chamber, so that the main heater heats the air that is about to enter the heating chamber. The auxiliary heater surrounds the side of the heating chamber to heat and keep the heating chamber warm.

2. The heated non-combustible electronic cigarette with dual heaters and air heating as described in claim 1, characterized in that: It also includes a heat insulation sleeve and a heat-resistant component. The heat insulation sleeve is installed on the housing and forms a heat insulation cavity therein. The main heater is installed at the bottom of the heat insulation cavity. The heat-resistant component is installed above the main heater and forms the heating cavity in the area of ​​the heat insulation cavity above the heat-resistant component. The auxiliary heater is installed on the inner side of the cavity wall of the heating cavity or installed on the heat insulation sleeve and forms the inner sidewall of the heating cavity.

3. The heated non-combustible electronic cigarette with dual heaters and air heating as described in claim 2, characterized in that: The heat-resistant component is a sealing component. The lower side of the sealing component forms a mounting groove that can accommodate at least a portion of the main heater. The bottom of the mounting groove is a sealing partition with an air passage. The upper side of the sealing component forms an annular mounting platform for the auxiliary heater to surround. The sealing component connects the main heater and the auxiliary heater together.

4. The heated non-combustible electronic cigarette with dual heaters and air heating as described in claim 1, characterized in that: The housing is also slidably fitted with a dust cover that can be opened and closed to the inlet of the heating chamber.

5. The heated non-combustible electronic cigarette with dual heaters and air heating as described in claim 2, characterized in that: It also includes a thermal insulation component, which is located on the outside of the thermal insulation sleeve.

6. The heated non-combustible electronic cigarette with dual heaters and air heating as described in claim 1, characterized in that: The main heater and the auxiliary heater are electrically connected to the power supply module via electrode needles or cables, respectively.

7. The heated non-combustible electronic cigarette with dual heaters and air heating as described in claim 1, characterized in that: The auxiliary heater is a film-thickness heating tube, and the auxiliary heater is annular and constitutes at least part of the cavity wall of the heating chamber.

8. The heated non-combustible electronic cigarette with dual heaters and air heating as described in claim 1, characterized in that: The main heater is cylindrical, with its air inlet located on the side and its air outlet located at the top.

9. The heated non-combustible electronic cigarette with dual heaters and air heating as described in claim 1, characterized in that: It also includes a cartridge detector, the probe of which is mounted on the inner wall of the heating chamber and triggers the heating assembly to start heating after the cartridge is inserted into the heating chamber.

10. The heated non-combustible electronic cigarette with dual heaters and air heating as described in claim 1, characterized in that: It also includes a control module, a first drive module, and a second drive module. The power supply module includes a storage module, a battery management module, and a power management module. The battery management module controls the charging and discharging of the storage module. The power management module performs DC / DC conversion on the electrical energy of the storage module and supplies power to the heating component through the first drive module and the second drive module. The first drive module is electrically connected to the main heater and controls the main heater to heat the air to be entered into the heating chamber. The second drive module is electrically connected to the auxiliary heater and controls the auxiliary heater to heat the heating chamber. The control module is connected to the first drive module, the second drive module, the battery management module, and the power management module to control the operation of the first drive module, the second drive module, the battery management module, and the power management module.