US20240057685A1 - Method for controlling heating of multi-taste and multi-pin heating wires - Google Patents

Method for controlling heating of multi-taste and multi-pin heating wires Download PDF

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Publication number
US20240057685A1
US20240057685A1 US18/203,978 US202318203978A US2024057685A1 US 20240057685 A1 US20240057685 A1 US 20240057685A1 US 202318203978 A US202318203978 A US 202318203978A US 2024057685 A1 US2024057685 A1 US 2024057685A1
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Prior art keywords
heating wires
heating
service life
current service
operating state
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US18/203,978
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English (en)
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Jinglian Shi
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Shenzhen Vapeez Technology Ltd
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Shenzhen Vapeez Technology Ltd
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/57—Temperature control
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/53—Monitoring, e.g. fault detection
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • the present application relates to electronic cigarettes, and in particular, to a method for controlling the heating of multi-taste and multi-pin heating wires.
  • the present application provides a method for controlling the heating of multi-taste and multi-pin heating wires
  • the atomizing core structure includes at least two heating wires, operating states of all atomizing core structures under different operating modes are obtained, and at least one heating wire is in operation under the same operating state.
  • the atomizing core structure has at least two operating states.
  • a current service life of the heating wire is determined based on an operating time of the heating wire, and a current operating state of the atomizing core structure in the current operating mode is determined based on the current service life of the heating wire and the operating mode of the atomizing core structure, so that the current service lives of all of the heating wires are similar.
  • the heating method can be adjusted according to each taste, which significantly improves the taste in each operating mode, and solves the problem in the existing technology that the temperature cannot be adjusted according to each taste due to the heating method of the heating wire, which has an adverse impact on the effect of different tastes.
  • a technical proposal of the present application provides a method for controlling the heating of multi-taste and multi-pin heating wires, for atomization of a raw liquid, the method includes:
  • step S 130 of determining, based on the current service life of the heating wires and an operating mode of the atomizing core structure, a current operating state of the heating wires in the operating mode includes:
  • step S 130 further includes step S 131 :
  • step S 130 further includes step S 132 :
  • step S 130 further includes step S 133 :
  • step S 130 further includes step S 134 :
  • step S 120 also includes: obtaining an operating temperature of the atomizing core structure, and determining the current service life of the heating wires based on the operating time of the heating wires and the operating temperature of the atomizing core structure.
  • step S 120 the method further includes:
  • a cross-sectional area of at least one of the heating wires is different from that of other heating wires, and the heat generated by the heating wires is adjusted by changing the cross-sectional area of the heating wires, so as to improve the compatibility of use.
  • a length of at least one of the heating wires is different from that of other heating wires, and the heat generated by the heating wires is adjusted by changing the length of the heating wires, so as to improve the compatibility of use.
  • the present application adopts the above-mentioned method for controlling the heating of multi-taste and multi-pin heating wires, the advantageous effects thereof compared to the existing technology are that: in the method for controlling the heating of multi-taste and multi-pin heating wires, the atomizing core structure includes at least two heating wires, operating states of all atomizing core structures under different operating modes are obtained, and at least one heating wire is in operation under the same operating state. In the same operating mode, the atomizing core structure has at least two operating states.
  • a current service life of the heating wire is determined based on an operating time of the heating wire, and a current operating state of the atomizing core structure in the current operating mode is determined based on the current service life of the heating wire and the operating mode of the atomizing core structure, so that the current service life of all of the heating wires is similar.
  • the heating methods can be adjusted according to each taste, which significantly improves the taste in each operating mode, and solves the problem in the existing technology that the temperature cannot be adjusted according to each taste due to the heating method of the heating wire, which has an adverse impact on the effect of different tastes.
  • FIG. 1 is a schematic diagram of the arrangement of the heating wires with different cross-sectional areas
  • FIG. 2 is a schematic diagram of the arrangement of the heating wires with different lengths
  • FIG. 3 is a flow chart of the method for controlling the heating of multi-taste and multi-pin heating wires according to an embodiment of the present application
  • FIG. 4 is a flow chart of acquiring parameters in the method for controlling the heating of multi-taste and multi-pin heating wires according to an embodiment of the present application
  • FIG. 5 is a flow chart of determining the operating state in the method for controlling the heating of multi-taste and multi-pin heating wires according to an embodiment of the present application
  • FIG. 6 is a schematic diagram of selecting the operating state corresponding a current operating state of a single heating wire in the method for controlling the heating of multi-taste and multi-pin heating wires according to an embodiment of the present application;
  • FIG. 7 is a schematic diagram of selecting the operating state corresponding a current operating state of a plurality of heating wires in each operating state in the method for controlling the heating of multi-taste and multi-pin heating wires according to an embodiment of the present application;
  • FIG. 8 is a schematic diagram of the selection when the first difference is greater than the preset second threshold in the method for controlling the heating of multi-taste and multi-pin heating wires according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of the selection when the second difference is greater than the preset third threshold in the method for controlling the heating of multi-taste and multi-pin heating wires according to an embodiment of the present application.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of technical features.
  • the method for controlling the heating of multi-taste and multi-pin heating wires is used for controlling the heating of the heating wire in an atomizing core structure.
  • the atomizing core structure in this embodiment includes a mounting base, an oil-guiding cotton, a first electrode 11 , a second electrode 12 , a third electrode 13 , and a plurality of heating wires.
  • the mounting base is hollow, and the oil-guiding cotton is wrapped around the mounting base for fixing, and the heating wire mesh structure is arranged in a ring structure, and it is closely fitted to an inside of the oil-guiding cotton.
  • the first electrode 11 and the third electrode 13 are disposed close to each other, and the second electrode 12 is disposed on the other side, and is electrically connected to the first electrode 11 and the third electrode 13 respectively.
  • Raw oil is adsorbed on the oil-guiding cotton.
  • a plurality of heating wires are evenly arranged in the heating wire mesh structure, and two ends of a part of the heating wires are connected with the first electrode 11 and the second electrode 12 respectively, and two ends of the other part of the heating wires are respectively connected with the second electrode 12 and the third electrode 13 respectively.
  • the atomizing core structure can have at least two operating states in the same operating mode or in different operating modes.
  • the heating wire in the corresponding operating state is heated up and atomizes the raw oil, so as to meet the temperature requirements of different tastes, improving the taste and effect of use.
  • the cross-sectional area of at least one of the heating wires 14 a is different from that of the other heating wires 14 a , and the heat generated by the heating wires 14 a is adjusted by changing the cross-sectional area of the heating wires, so as to improve the compatibility of use.
  • the length of at least one of the heating wires 14 b is different from that of the other heating wires 14 b , and the heat generated by the heating wires 14 b is adjusted by changing the length of the heating wires, so as to improve the compatibility of use.
  • the method for controlling the heating of multi-taste and multi-pin heating wires includes the following steps:
  • step S 110 an atomizing core structure including heating wires is provided, all operating states of atomizing core structure under different operating modes are obtained, at least one of the heating wires operates under a same operating state, and the atomizing core structure has at least two operating states in the same operating mode;
  • step S 120 a current service life of the heating wires is determined based on an operating time of the heating wires.
  • step S 130 based on the current service life of the heating wires and a current operating mode of the atomizing core structure, a current operating state of the heating wires in the current operating mode is determined, so that current service lives of all of the heating wires are similar.
  • the atomizing core structure includes at least two heating wires, all operating states of the atomizing core structure under different operating modes are obtained, at least one of the heating wires is in operation under the same operating state.
  • Different operating modes indicate that the flow rates in the atomizing core structure are different, and a change in the flow rate will lead to a change in the temperature in the flue of the atomizing core structure, so that the temperature cannot reach the optimum temperature for atomizing the raw liquid, thus resulting in a poor taste.
  • a corresponding operating state is set for a corresponding operating mode, and a corresponding heating wire generates heat under each operating state, so as to ensure that the temperature in the flue can be kept at the optimal temperature under different flow rates, so as to improve the effect of atomization and the taste.
  • the atomizing core structure has at least two operating states. This helps to balance the current service lives of all heating wires and extend the duration of a corresponding operating mode, while ensuring the taste.
  • step S 111 a preset current service life of each heating wire and a stored function for calculating the current service life of the heating wires based on the operating time of the heating wires are obtained, for updating the current service life of each heating wire.
  • step S 120 the operating temperature of the atomizing core structure is obtained, and the current service life of the heating wires is determined based on the operating time of the heating wires and the operating temperature.
  • the current service life of each heating wire is preset and the function for calculating the current service life of the heating wire based on the operating time of the heating wire is stored in the atomizing core structure.
  • the atomizing core structure can directly calculate the current service life of the heating wire in operation from the operating time of the heating wire through the function and the preset current service life of the heating wire, and the calculated current service life of the heating wire overwrites the current service life of the heating wire before the calculation. Updating in real-time facilitates controlling the current service life of the heating wire, so that the current service lives of all heating wires are similar.
  • the required temperature is different in different operating modes, and the different temperature also affects the service life of the heating wires.
  • the function between the temperature and the loss of the service life of the heating wire may be stored, and the loss of the service life of the heating wire can be calculated according to the temperature in different operating modes. Then, the current service life of the heating wire is determined according to the operating time of the heating wire and the operating temperature of the atomizing core structure. Therefore, the current service life of the heating wire is more reliable while ensuring the taste.
  • step S 130 the current operating state of the atomizing core structure in the current operating mode is determined based on the current service life of the heating wire and the operating mode of the atomizing core structure, so that the current service lives of all the heating wires are similar.
  • the general method for determining the current operating state of the atomizing core structure in the current operating mode is: all operating states in the current operating mode are obtained, each operating state corresponds to at least one heating wire, the current service life of the heating wire in each operating state is obtained, and the operating state corresponding to the heating wire with the largest current service life is selected as the current operating state in the current operating mode.
  • step S 131 when each operating state corresponds to one heating wire, the current service life of the heating wire in the operating state is updated in real-time based on the current service life and the operating time of the heating wire.
  • each operating state individually corresponds to one heating wire.
  • the current service life of the heating wire in the current operating state in the current operating mode is updated in real-time according to the current service life, the temperature, and the operating time of its own, and is compared with the current service lives of the heating wires in the other operating states.
  • the operating state corresponding to the heating wire with the largest current service life amongst the heating wires in the other operating states in the current operating mode is selected as the current operating state.
  • the current service life of the heating wire in the current operating state is detected to reduce to a certain level and exceeds the preset first threshold, the current operating state in the current operating mode of the atomizing core structure is switched, and the operating state corresponding to the heating wire with the largest current service life amongst the heating wires in the other operating states in the current operating mode is selected as the current operating state.
  • the current service lives of all heating wires are similar while ensuring the taste.
  • step S 132 when at least one operating state corresponds to two or more heating wires, a corresponding average current service life is obtained based on the current service lives of all of the heating wires in each operating state, and the operating state corresponding to the heating wires with the largest average current service life amongst all of the heating wires in each operating state is taken as the current operating state.
  • One operating state may correspond to one heating wire, two heating wires, or a plurality of heating wires.
  • the respective average current service life of each operating state is calculated, these average current service lives are compared with each other, and the operating state corresponding to the heating wires with the largest average current service life is selected, so as to use this operating state as the current operating state; if an operating state includes only one heating wire, then the current service life of the heating wire is taken as the average current service life of this operating state.
  • step S 133 and step S 134 further analyze the conditions of the heating wires in various operating states in the current operating mode.
  • step S 133 based on the average current service life of all of the heating wires in each operating state, the heating wires with the largest average current service life and the heating wires with the smallest current service life are determined, and the first difference is calculated; when the first difference is greater than a preset second threshold, the operating state corresponding to the heating wires with the largest average current service life is taken as the current operating state.
  • the calculated first difference is greater than the preset second threshold, it means that in the current operating mode, the average current service lives of the heating wires in the plurality of operating states are significantly different.
  • the operating state corresponding to the heating wires with the largest average current service life is taken as the current operating state, so that the current service lives of all heating wires are similar.
  • step S 134 when the first difference is less than or equal to the second threshold, a second difference is calculated based on the heating wire with the smallest current service life in the largest average current service life and the heating wire with the smallest current service life in the smallest average current service life, and when the second difference is greater than a preset third threshold, the operating state corresponding to the heating wires with the largest average current service life in the other operating states is taken as the current operating state of the atomizing core structure in the current operating mode; returning to step S 133 when the second difference is less than or equal to the second threshold.
  • the above manner of determining the current operating state is based on calculating the first difference between the largest average current service life and the smallest average current service life in the average current service lives of each operating state, and the first difference less than or equal to the preset second threshold means that in the current operating mode, the difference in the average current service lives of the heating wires in the several operating states is small, and the current service life of the heating wire in each operating state cannot be demonstrated. Therefore, the second difference is calculated based on the smallest current service life in the largest average current service life and the smallest current service life in the smallest average current service life.
  • the second difference greater than the preset third threshold indicates that the current service lives of the plurality of heating wires in the largest average current service life are significantly different. Since the second difference is less than or equal to the preset second threshold and greater than the preset third threshold, it can be understood that the smallest current service life of the heating wire in the largest average current service life is less than the smallest current service life of the heating wire in the smallest average current service life. Therefore, in order to ensure that the current service lives of the heating wires are similar, the operating state corresponding to the heating wires with the largest average current service life in the other operating states is selected as the current operating state. When the heating wire in the current operating state is in use, the corresponding current service life will also be updated in real-time, and the second difference will also change accordingly. When the second difference is less than or equal to the second threshold, return to step S 133 , and then the current operating state is determined according to the conditions in step S 133 .
  • the three-pin atomization core structure is provided with a first electrode 21 A, a second electrode 22 A, a third electrode 23 A, and a plurality of heating wires.
  • the plurality of heating wires are respectively disposed between the first electrode 21 A and the second electrode 22 A, and between the second electrode 22 A and the third electrode 23 A.
  • the heating wires between the first electrode 21 A and the second electrode 22 A are referred to as the heating wire A 1
  • the heating wires between the second electrode 22 A and the third electrode 23 A are referred to as the heating wire B 1 .
  • the heating wire A 1 and the heating wire B 1 can be used individually, or be connected in series or in parallel.
  • the current operating mode corresponds to two operating states, the first operating state includes heating wire A 1 , and the second operating state includes heating wire B 1 .
  • step S 131 if the current service life of heating wire A 1 is 50%, the current service life of heating wire B 1 is 45%, and the first threshold is 10%, then the difference between the current service lives of heating wire A 1 and the heating wire B 1 is 5%, which is less than 10%, thus the first operating state corresponding to the heating wire A 1 is selected as the current operating state.
  • the current service life is also decreasing.
  • the current operating state is switched, and the operating state corresponding to the heating wire B 1 is taken as the current operating state in this operating mode.
  • the four-pin atomizing core structure is provided with a first electrode 21 B, a second electrode 22 B, a third electrode 23 B, a fourth electrode 24 B, and a plurality of heating wires.
  • the plurality of heating wires are respectively disposed between the first electrode 21 B and the second electrode 22 B, between the second electrode 22 B and the third electrode 23 B, and between the third electrode 23 B and the fourth electrode 24 B.
  • the heating wire between the first electrode 21 B and the second electrode 22 B is referred to as heating wire A 2
  • the heating wire between the second electrode 22 B and the third electrode 23 B is referred to as heating wire B 2
  • the heating wire between the third electrode 23 B and the fourth electrode 24 B is referred to as heating wire C 2 .
  • the heating wire A 2 , the heating wire B 2 , and the heating wire C 2 can be used individually, or connected in series or in parallel.
  • the first operating mode corresponds to two operating states.
  • the first operating state includes the heating wire A 2 and the heating wire B 2
  • the second operating state includes the heating wire B 2 and the heating wire C 2 .
  • the current service life of the heating wire A 2 is 60%
  • the current service life of the heating wire B 2 is 54%
  • the current service life of the heating wire C 2 is 50%
  • the first threshold is 10%
  • the second threshold is 8%.
  • the average current service life of the heating wires in the first operating state is 57%
  • the average current service life of the heating wires in the second operating state is 52%.
  • the difference between the current service lives of the heating wire A 2 and the heating wire C 2 is 10%, which is equal to the first threshold, and the first operating state corresponding to the heating wire A 2 is selected as the current operating state.
  • the five-pin atomizing core structure is provided with a first electrode 21 C, a second electrode 22 C, a third electrode 23 C, a fourth electrode 24 C, a fifth electrode 25 C, and a plurality of heating wires.
  • the plurality of heating wires are respectively disposed between the first electrode 21 C and the second electrode 22 C, between the second electrode 22 C and the third electrode 23 C, between the third electrode 23 C and the fourth electrode 24 C, and between the fourth electrode 24 C and the fifth electrode 25 C.
  • the heating wire between the first electrode 21 C and the second electrode 22 C is referred to as the heating wire A 3
  • the heating wire between the second electrode 22 C and the third electrode 23 C is referred to as the heating wire B 3
  • the heating wire between the third electrode 23 C and the fourth electrode 24 C is referred to as the heating wire C 3
  • the heating wire between the fourth electrode 24 C and the fifth electrode 25 C is referred to as the heating wire D 3
  • the heating wire A 3 , the heating wire B 3 , the heating wire C 3 , and the heating wire D 3 can be used individually, or connected in series or in parallel.
  • the first operating mode corresponds to three operating states.
  • the first operating state includes the heating wire A 3 and the heating wire B 3
  • the second operating state includes the heating wire C 3 and the heating wire D 3 .
  • the current service life of the heating wire A 3 is 80%
  • the current service life of the heating wire B 3 is 40%
  • the current service life of the heating wire C 3 is 60%
  • the current service life of the heating wire D 3 is 50%
  • the first threshold is 10%
  • the second threshold is 8%.
  • the average current service life of the heating wires in the first operating state is 60%
  • the average current service life of the heating wires in the second operating state is 55%.
  • the first difference between the average current service lives of the first operating state and the second operating state is 5%, which is smaller than the second threshold, then the first operating state is selected as the current operating state.
  • the current service lives of the heating wire A 3 and the heating wire B 3 is decreasing during the first operating state.
  • the average current service life of the heating wires in the first operating state drops below 46%, while the average current service life of the heating wires in the second operating state is 55%, the first difference between two average current service lives is greater than the second threshold, then the current operating state is switched to the second operating state.
  • the five-pin atomizing core structure is provided with a first electrode 21 D, a second electrode 22 D, a third electrode 23 D, a fourth electrode 24 D, a fifth electrode 25 D, and a plurality of heating wires.
  • the plurality of heating wires are disposed respectively between the first electrode 21 D and the second electrode 22 D, between the second electrode 22 D and the third electrode 23 D, between the third electrode 23 D and the fourth electrode 24 D, and between the fourth electrode 24 D and the fifth electrode 25 D.
  • the heating wire between the first electrode 21 D and the second electrode 22 D is referred to as the heating wire A 4
  • the heating wire between the second electrode 22 D and the third electrode 23 D is referred to as the heating wire B 4
  • the heating wire between the third electrode 23 D and the fourth electrode 24 D is referred to as the heating wire C 4
  • the heating wire between the fourth electrode 24 D and the fifth electrode 25 D is referred to as the heating wire D 4
  • the heating wire A 4 , the heating wire B 4 , the heating wire C 4 , and the heating wire D 4 can be used individually, or connected in series or in parallel.
  • the first operating mode corresponds to three operating states.
  • the first operating state includes the heating wire A 4 and the heating wire B 4
  • the second operating state includes the heating wire C 4 and the heating wire D 4 .
  • the current service life of the heating wire A 4 is 96%
  • the current service life of the heating wire B 4 is 16%
  • the current service life of the heating wire C 4 is 40%
  • the current service life of the heating wire D 4 is 50%
  • the third threshold is 10%
  • the second threshold is 8%.
  • the average current service life of the heating wires in the first operating state is 56%
  • the average current service life of the heating wires in the second operating state is 55%.
  • the first difference between the average current service lives of the first operating state and the second operating state is 1%, which is smaller than the second threshold.
  • the smallest current service life in the first operating state is 16%, and the smallest current service life in the smallest average current service life is 40%, namely the second difference is 24%, and the second difference is greater than the preset third threshold, then the second operating state is taken as the current operating state.
  • the current service lives of the heating wire C 4 and the heating wire D 4 are decreasing during the second operating state.
  • the second difference is less than the second threshold. At this time, refer to step S 133 to redetermine the current operating state.
  • the atomizing core structure includes at least two heating wires, operating states of all atomizing core structures under different operating modes are obtained, and at least one heating wire is in operation under the same operating state. In the same operating mode, the atomizing core structure has at least two operating states.
  • a current service life of the heating wire is determined based on an operating time of the heating wire, and a current operating state of the atomizing core structure in the current operating mode is determined based on the current service life of the heating wire and the operating mode of the atomizing core structure, so that the current service life of all of the heating wires is similar.
  • the heating methods can be adjusted according to each taste, which significantly improves the taste in each operating mode, and solves the problem in the existing technology that the temperature cannot be adjusted according to each taste due to the heating method of the heating wire, which has an adverse impact on the effect of different tastes.
US18/203,978 2022-08-17 2023-05-31 Method for controlling heating of multi-taste and multi-pin heating wires Pending US20240057685A1 (en)

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CN202210991819.3A CN115281382B (zh) 2022-08-17 2022-08-17 一种多口感多脚发热丝的发热控制方法
CN202210991819.3 2022-08-17

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CN215013606U (zh) * 2021-04-09 2021-12-07 深圳市优维尔科技有限公司 具有多加热通道的发热丝单体、雾化芯及电子雾化装置

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