An electronic system for an electronic cigarette

By designing the electronic system of the e-cigarette, and utilizing magnetic connections and control chips to achieve flexible charging and power supply, the problem of inflexible charging after frequent use of e-cigarettes is solved, thus improving the user experience.

CN224268311UActive Publication Date: 2026-05-26SHENZHEN FANGWEI SEMICON CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN FANGWEI SEMICON CO LTD
Filing Date
2025-04-09
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing e-cigarettes lack flexibility in charging and power supply after frequent use, which affects the user experience.

Method used

An electronic system for an electronic cigarette was designed, including a cartridge and a power supply device. The charging and discharging circuit and the power supply circuit are connected by magnetic connection. The charging and power supply process is controlled by the power supply main control chip and the cartridge main control chip, providing flexible power management.

Benefits of technology

It enables timely charging when users do not need to use the device, and flexible power supply when needed, reducing battery anxiety, improving user experience, and reducing the risk of poor contact.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application discloses an electronic system for an electronic cigarette, including a cartridge and a power supply device. The power supply device includes a power supply housing, a first contact, and a power supply battery, a charging / discharging circuit, and a power supply main control chip disposed inside the power supply housing. The power supply battery is connected to both the charging / discharging circuit and the power supply main control chip. The cartridge includes a cartridge housing, a second contact, and a cartridge battery, a cartridge charging circuit, a cartridge main control chip, and several heating wires disposed inside the cartridge housing. The power supply main control chip controls the power supply battery to charge the cartridge battery through the charging / discharging circuit and the cartridge charging circuit. The cartridge main control chip also controls the power supply battery and / or the cartridge battery to supply power to the heating wires. This application can significantly reduce users' battery anxiety and improve the user experience.
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Description

Technical Field

[0001] This application relates to the field of electronic cigarette technology, and more particularly to an electronic system for an electronic cigarette. Background Technology

[0002] Currently, e-cigarettes are experiencing growing market demand as a new alternative to smoking, and the magnetic combination of a power bank and e-cigarette cartridges is poised to become a popular product. This design combines the portable charging function of a power bank with the ease of use of e-cigarette cartridges, offering users a completely new experience. However, existing power banks lack flexibility when charging e-cigarette cartridges, impacting the user experience. Utility Model Content

[0003] The purpose of this application is to provide an electronic system for electronic cigarettes to solve the technical problems of existing electronic cigarettes, such as the need for frequent charging and the lack of power supply flexibility. The preferred technical solutions among the various technical solutions provided in this application and their numerous technical effects are detailed below.

[0004] To achieve the above objectives, this application provides the following technical solutions:

[0005] This application provides an electronic system for an electronic cigarette, including a cartridge and a power supply device. The power supply device includes a power supply housing, a first contact, and a power supply battery, a charging / discharging circuit, and a power supply main control chip disposed inside the power supply housing. The power supply battery is connected to both the charging / discharging circuit and the power supply main control chip. The cartridge includes a cartridge housing, a second contact, and a cartridge battery, a cartridge charging circuit, a cartridge main control chip, and several heating wires disposed inside the cartridge housing. The cartridge battery is connected to both the cartridge charging circuit, the cartridge main control chip, and the several heating wires. When the cartridge is magnetically connected to the power supply device, the first contact and the second contact are connected, so that the charging / discharging circuit is connected to the cartridge charging circuit, and the power supply battery is connected to the several heating wires. The power supply main control chip controls the power supply battery to charge the cartridge battery through the charging / discharging circuit and the cartridge charging circuit. The cartridge main control chip also controls the power supply battery and / or the cartridge battery to supply power to the several heating wires.

[0006] In some embodiments, the charging and discharging circuit includes a charging and discharging chip, a charging module, and a discharging module; the switch pin, battery pin, and power pin of the charging and discharging chip are all connected to the charging module, and the output pin of the charging and discharging chip is connected to the discharging module.

[0007] In some embodiments, the charging module includes resistors R8 and R9, capacitors C4, C6, and C7, inductor L1, and PMOS transistor D7. The switching pin of the charging / discharging chip is connected to one end of resistor R9 and one end of inductor L1. The other end of resistor R9 is connected to one end of capacitor C4, and the other end of capacitor C4 is grounded. The other end of inductor L1 is connected to the drain of PMOS transistor D7, the battery pin of the charging / discharging chip, and one end of capacitor C7. The gate of PMOS transistor D7 is connected to the cartridge pin of the power supply control chip and one end of resistor R8. The source of PMOS transistor D7 is connected to the other end of resistor R8 and the power supply battery. The other end of capacitor C7 is connected to one end of capacitor C6 and grounded. The other end of capacitor C6 is connected to the power supply pin of the charging / discharging chip and the power supply voltage.

[0008] In some embodiments, the discharge module includes PMOS transistors D2, D4, and D6, resistors R1, R3, R4, R5, R7, and R10, diodes D1, D3, and D5, and capacitor C5. The output pin of the charge / discharge chip is connected to one end of capacitor C5, one end of resistor R1, one end of resistor R4, one end of resistor R7, the source of PMOS transistors D2, D4, and D6. The gate of PMOS transistor D2 is connected to the other end of resistor R1 and the first drive pin of the power supply control chip. The gate of PMOS transistor D4 is connected to the other end of resistor R4 and the second drive pin of the power supply control chip. The gate of PMOS transistor D6 is connected to the other end of resistor R7. The PMOS transistor D2 is connected to the third drive pin of the power supply main control chip. The drain of the PMOS transistor D2 is connected to one end of the resistor R3 and the Type-C+ port. The other end of the resistor R3 is connected to the cathode of the diode D1 and the first sampling pin of the power supply main control chip. The drain of the PMOS transistor D4 is connected to one end of the resistor R5 and the Lighting+ port. The other end of the resistor R5 is connected to the cathode of the diode D3 and the second sampling pin of the power supply main control chip. The drain of the PMOS transistor D6 is connected to one end of the resistor R10 and the current port. The other end of the resistor R10 is connected to the cathode of the diode D5 and the third sampling pin of the power supply main control chip. The cathodes of the diodes D1, D3, and D5 are all connected to the power supply battery.

[0009] In some embodiments, the cartridge charging circuit includes a cartridge charging chip, the power pin of which is connected to the current port, and the battery pin of which is connected to the cartridge battery.

[0010] In some embodiments, the cartridge charging circuit includes resistors R20, R30, R50, and R70, and capacitor C100. One end of resistor R20 and one end of resistor R30 are both connected to the control pin of the cartridge main control chip. The other end of resistor R20 is connected to the current port. The other end of resistor R30 is connected to the power supply battery and one end of resistor R50. The other end of resistor R50 is connected to the battery pin of the cartridge charging chip and the cartridge battery. One end of capacitor C100 is connected to the power supply pin of the cartridge charging chip and the current port. The other end of capacitor C100 is connected to one end of resistor R70 and grounded. The other end of resistor R70 is connected to the programming pin of the cartridge charging chip.

[0011] In some embodiments, the cartridge includes a power selection circuit, which includes a first power supply module and a first cartridge power supply module. One end of the first power supply module is connected to the first power supply control pin of the cartridge main control chip, and the other end of the first power supply module is connected to the first heating wire and one end of the first cartridge power supply module. The other end of the first cartridge power supply module is connected to the second power supply control pin of the cartridge main control chip.

[0012] In some embodiments, the first power supply module includes resistors R90, R110, and R140, a transistor Q10, and a PMOS transistor D30; the base of the transistor Q10 is connected to one end of the resistor R110, the other end of the resistor R110 is connected to the first power supply control pin of the cartridge main control chip and one end of the resistor R140, and the other end of the resistor R140 is grounded; the collector of the transistor Q10 is connected to one end of the resistor R90 and the gate of the PMOS transistor D30, the other end of the resistor R90 is connected to the power supply battery and the source of the PMOS transistor D30, and the drain of the PMOS transistor D30 is connected to the first heating wire; the emitter of the transistor Q10 is connected to the first heating wire control pin of the cartridge main control chip.

[0013] In some embodiments, the first cartridge power supply module includes a resistor R100 and a PMOS transistor D20; the source of the PMOS transistor D20 is connected to one end of the resistor R100 and the cartridge battery, the gate of the PMOS transistor D20 is connected to the other end of the resistor R100 and the second power supply control pin of the cartridge main control chip, and the drain of the PMOS transistor D20 is connected to the drain of the PMOS transistor D30 and the first heating wire.

[0014] In some embodiments, the first contact includes a current contact and a charging contact, and the second contact includes a first power supply contact and a second power supply contact. The first power supply contact is connected to the current port, and the second power supply contact is connected to the power supply battery. When the cartridge is magnetically connected to the power supply device, the current contact is electrically connected to the first power supply contact, and the charging contact is electrically connected to the second power supply contact.

[0015] Implementing one of the above-mentioned technical solutions of this application has the following advantages or beneficial effects: In this application, when the cartridge and the power supply device are magnetically connected, making the first contact and the second contact connected, the power supply device's battery can charge the cartridge battery through the first contact and the second contact. Simultaneously, the cartridge's main control chip can control the power supply device's battery and / or the cartridge battery to supply power to the cartridge's heating wire. In this situation, when the user has no need to use the cartridge, the power supply device can promptly charge the cartridge battery, and when the user has a need to use it, the user can flexibly select the battery to power the cartridge, significantly reducing the user's battery anxiety and improving the user experience. Furthermore, the magnetic connection makes the charging process more stable, reducing the risk of poor contact, and only requires a small amount of external force to separate the power supply device from the cartridge, further improving the user experience. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:

[0017] Figure 1 This is a schematic diagram of the power supply main control chip in an embodiment of this application;

[0018] Figure 2 This is a schematic diagram of the main control chip of the e-cigarette cartridge according to an embodiment of this application;

[0019] Figure 3 This is a schematic diagram of the circuit structure of the charging and discharging circuit according to an embodiment of this application;

[0020] Figure 4 This is a schematic diagram of the circuit structure of the cigarette cartridge charging circuit according to an embodiment of this application;

[0021] Figure 5 This is a schematic diagram of the power supply selection circuit according to an embodiment of this application;

[0022] Figure 6 This is a schematic diagram of the first and second contacts in an embodiment of this application;

[0023] Figure 7 This is a schematic diagram of the circuit structure of the e-cigarette cartridge information storage circuit according to an embodiment of this application;

[0024] Figure 8 This is a schematic diagram of the circuit structure of the digital tube control module according to an embodiment of this application;

[0025] Figure 9 This is a schematic diagram of the circuit structure of the digital display module and the status display module according to an embodiment of this application;

[0026] Figure 10 This is a schematic diagram illustrating the effects of the digital display module and the status display module according to an embodiment of this application;

[0027] Figure 11 This is a schematic diagram of the power supply and storage circuit according to an embodiment of this application. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this application clearer, various exemplary embodiments described below will be referenced to the accompanying drawings, which form part of the exemplary embodiments and depict various exemplary embodiments that may be adopted to implement this application. Unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. It should be understood that they are merely examples of processes, methods, and apparatuses consistent with some aspects of this application disclosed as detailed in the appended claims, and other embodiments may be used, or structural and functional modifications may be made to the embodiments listed herein without departing from the scope and spirit of this application.

[0029] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," etc., indicate the orientation or positional relationship based on the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the referred element must have a specific orientation, or be constructed and operated in a specific orientation. The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. The term "multiple" means two or more. The terms "connected" and "linked" should be interpreted broadly, for example, they can be fixed connections, detachable connections, integral connections, mechanical connections, electrical connections, communication connections, direct connections, indirect connections through an intermediate medium, and can be the internal connection of two elements or the interaction relationship between two elements. The term "and / or" includes any and all combinations of one or more of the related listed items. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0030] To illustrate the technical solutions described in this application, specific embodiments are provided below, showing only the parts related to the embodiments of this application.

[0031] like Figures 1 to 11 As shown, this application provides an electronic system for an electronic cigarette, including a cartridge and a power supply device. The power supply device may include a power supply housing, a first contact, and a power supply battery, a charging / discharging circuit, and a power supply main control chip disposed inside the power supply housing. The power supply battery is connected to the charging / discharging circuit and the power supply main control chip. The cartridge may include a cartridge housing and a second contact, and a cartridge battery, a cartridge charging circuit, a cartridge main control chip, and several heating wires disposed inside the cartridge housing. The cartridge battery is connected to the cartridge charging circuit, the cartridge main control chip, and the several heating wires.

[0032] When the cartridge is magnetically connected to the power supply device, the first and second contacts connect, connecting the charging / discharging circuit to the cartridge charging circuit, and the power supply battery to several heating wires. The power supply control chip can control the power supply battery to charge the cartridge battery through the charging / discharging circuit and the cartridge charging circuit. The cartridge control chip can also control the power supply battery and / or the cartridge battery to supply power to the heating wires. Magnets can be provided on the surfaces of both the cartridge shell and the power supply shell, and these magnets can be positioned on the surfaces of the cartridge shell and the power supply shell that abut against each other. Figure 1 BAT port and Figure 4 The BBAT port in the diagram is the power supply battery. Figure 4 The DBAT port in the image is the cartridge battery. Figure 4 The 100mA port is the current port. Figure 5 OUT1 in the diagram refers to the first heating element. Figure 5OUT2 in the text refers to the second heating wire; Figure 6 The leftmost one is the first contact, where the 100mA contact is the current contact, the BBAT contact is the charging contact, the COM1 contact is the receiving contact, and the GND1 contact is the ground contact. Figure 6 The one on the right is the second contact, where BBAT1 is the first power supply contact, BBAT2 is the second power supply contact, COM1 is the transmitting contact, and GND1 is the grounding contact.

[0033] In some embodiments, the charging and discharging circuit may include a charging and discharging chip, a charging module, and a discharging module. The switching pins, battery pins, and power supply pins of the charging and discharging chip are all connected to the charging module, and the output pins of the charging and discharging chip can be connected to the discharging module. Specifically, the charging and discharging chip can be connected to a power supply voltage, receive electrical energy from the power supply voltage, and charge the power supply battery via the charging module. Correspondingly, the electrical energy from the power supply battery can be routed through the charging module, the charging and discharging chip, and the discharging module to the current port, and the cartridge battery can obtain electrical energy from the current port.

[0034] In some embodiments, the charging module may include resistors R8 and R9, capacitors C4, C6, and C7, inductor L1, and PMOS transistor D7. The switching pin of the charging / discharging chip is connected to one end of resistor R9 and one end of inductor L1. The other end of resistor R9 is connected to one end of capacitor C4, and the other end of capacitor C4 is grounded. The other end of inductor L1 is connected to the drain of PMOS transistor D7, the battery pin of the charging / discharging chip, and one end of capacitor C7. The gate of PMOS transistor D7 is connected to the cartridge pin of the power supply control chip and one end of resistor R8. The source of PMOS transistor D7 is connected to the other end of resistor R8 and the power supply battery. The other end of capacitor C7 is connected to one end of capacitor C6 and grounded. The other end of capacitor C6 is connected to the power supply pin of the charging / discharging chip and the power supply voltage.

[0035] In some embodiments, the discharge module may include PMOS transistors D2, D4, and D6, resistors R1, R3, R4, R5, R7, and R10, diodes D1, D3, and D5, and capacitor C5. The output pin of the charge / discharge chip is connected to one end of capacitor C5, one end of resistors R1, R4, and R7, the source of PMOS transistors D2, D4, and D6. The gate of PMOS transistor D2 is connected to the other end of resistor R1 and the first drive pin (PC3) of the power supply control chip. The gate of PMOS transistor D4 is connected to the other end of resistor R4 and the second drive pin (PA3) of the power supply control chip. The gate of PMOS transistor D6 is connected to the other end of resistor R7 and the third drive pin (PA4) of the power supply control chip. The drain of PMOS transistor D2 is connected to one end of resistor R3 and the Type P10 pin. The EC+ ports are all connected. The other end of resistor R3 is connected to the cathode of diode D1 and the first sampling pin (PC1) of the power supply main control chip. The drain of PMOS transistor D4 is connected to one end of resistor R5 and the Lighting+ port. The other end of resistor R5 is connected to the cathode of diode D3 and the second sampling pin (PC2) of the power supply main control chip. The drain of PMOS transistor D6 is connected to one end of resistor R10 and the current port. The other end of resistor R10 is connected to the cathode of diode D5 and the third sampling pin (PB0) of the power supply main control chip. The cathodes of diodes D1, D3, and D5 are all connected to the power supply battery.

[0036] like Figure 3 As shown, pin 1 of the charging and discharging chip can be the switch pin, pin 3 can be the battery pin, pin 4 can be the power pin, and pin 8 can be the output pin.

[0037] like Figure 1 As shown, pin 7 of the power supply main control chip can be the first drive pin of the power supply main control chip, pin 11 of the power supply main control chip can be the second drive pin of the power supply main control chip, pin 12 of the power supply main control chip can be the third drive pin of the power supply main control chip, pin 16 of the power supply main control chip can be the first sampling pin of the power supply main control chip, pin 5 of the power supply main control chip can be the second sampling pin of the power supply main control chip, and pin 17 of the power supply main control chip can be the third sampling pin of the power supply main control chip.

[0038] In some embodiments, such as Figure 4As shown, the cartridge charging circuit may include a cartridge charging chip. The power pin of the cartridge charging chip can be connected to a current port, and the battery pin of the cartridge charging chip can be connected to the cartridge battery. The cartridge charging chip can receive electrical energy from the current port and transfer the electrical energy from the current port to the cartridge battery.

[0039] In some embodiments, the cartridge charging circuit may include resistors R20, R30, R50, and R70, and capacitor C100. One end of resistor R20 and one end of resistor R30 are both connected to the control pin PB3 of the cartridge main control chip, and the other end of resistor R20 is connected to the current port. The other end of resistor R30 is connected to the power supply battery and one end of resistor R50. The other end of resistor R50 is connected to the battery pin of the cartridge charging chip and the cartridge battery. One end of capacitor C100 is connected to the power supply pin and the current port of the cartridge charging chip. The other end of capacitor C100 is connected to one end of resistor R70 and grounded. The other end of resistor R70 is connected to the programming pin of the cartridge charging chip.

[0040] like Figure 4 As shown, pin 3 of the e-cigarette charging chip can be the battery pin, pin 4 can be the power pin, and pin 5 can be the programming pin.

[0041] In some embodiments, such as Figure 5 As shown, the e-cigarette cartridge may include a power supply selection circuit, which may include a first power supply module, a first e-cigarette cartridge power supply module, a second power supply module, and a second e-cigarette cartridge power supply module. Specifically, the e-cigarette cartridge main control chip can control the power supply battery to supply power to the first heating wire through the first power supply module, the e-cigarette cartridge main control chip can control the e-cigarette cartridge battery to supply power to the first heating wire through the first e-cigarette cartridge power supply module, the e-cigarette cartridge main control chip can control the power supply battery to supply power to the second heating wire through the second power supply module, and the e-cigarette cartridge main control chip can control the e-cigarette cartridge battery to supply power to the second heating wire through the second power supply module.

[0042] In some embodiments, one end of the first power supply module can be connected to the first power supply control pin of the cartridge main control chip, the other end of the first power supply module can be connected to the first heating wire and one end of the first cartridge power supply module, and the other end of the first cartridge power supply module can be connected to the second power supply control pin of the cartridge main control chip.

[0043] In some embodiments, one end of the second power supply module can be connected to the first power supply control pin of the cartridge main control chip, the other end of the second power supply module can be connected to the second heating wire and one end of the second cartridge power supply module, and the other end of the second cartridge power supply module can be connected to the third power supply control pin of the cartridge main control chip.

[0044] In some embodiments, the first power supply module may include resistors R90, R110, and R140, transistor Q10, and PMOS transistor D30. The base of transistor Q10 is connected to one end of resistor R110, the other end of resistor R110 is connected to the first power supply control pin of the cartridge main control chip and one end of resistor R140, and the other end of resistor R140 is grounded; the collector of transistor Q10 is connected to one end of resistor R90 and the gate of PMOS transistor D30, the other end of resistor R90 is connected to the power supply battery and the source of PMOS transistor D30, the drain of PMOS transistor D30 is connected to the first heating wire; the emitter of transistor Q10 is connected to the first heating wire control pin of the cartridge main control chip.

[0045] In some embodiments, the first cartridge power supply module may include a resistor R100 and a PMOS transistor D20. The source of the PMOS transistor D20 is connected to one end of the resistor R100 and the cartridge battery, the gate of the PMOS transistor D20 is connected to the other end of the resistor R100 and the second power supply control pin of the cartridge main control chip, and the drain of the PMOS transistor D20 is connected to the drain of the PMOS transistor D30 and the first heating wire.

[0046] In some embodiments, the second power supply module may include resistor R150, resistor R170, transistor Q20, and PMOS transistor D50. The base of transistor Q20 is connected to one end of resistor R170, and the other end of resistor R170 is connected to the first power supply control pin of the cartridge main control chip; the collector of transistor Q20 is connected to one end of resistor R150 and the gate of PMOS transistor D50, the other end of resistor R150 is connected to the power supply battery and the source of PMOS transistor D50, and the drain of PMOS transistor D50 is connected to the second heating wire; the emitter of transistor Q20 is connected to the second heating wire control pin of the cartridge main control chip.

[0047] In some embodiments, the second cartridge power supply module may include a resistor R160 and a PMOS transistor D40. The source of the PMOS transistor D40 is connected to one end of the resistor R160 and the cartridge battery, the gate of the PMOS transistor D40 is connected to the other end of the resistor R160 and the third power supply control pin of the cartridge main control chip, and the drain of the PMOS transistor D40 is connected to the drain of the PMOS transistor D50 and the second heating wire.

[0048] Specifically, the first power supply control pin of the cartridge's main control chip outputs high and low level signals to control the power supply battery to provide power. Simultaneously, the first heating wire control pin of the cartridge's main control chip outputs high and low level signals to control the power supply battery to supply power to the first heating wire. The second heating wire control pin of the cartridge's main control chip outputs high and low level signals to control the power supply battery to supply power to the second heating wire. In other words, the cartridge's main control chip can select the power supply battery as the power source and can control the power supply battery to alternately supply power to the first and second heating wires.

[0049] Correspondingly, the second power supply control pin of the cartridge main control chip controls the cartridge battery to supply power to the first heating wire, and the third power supply control pin of the cartridge main control chip controls the cartridge battery to supply power to the second heating wire.

[0050] In some embodiments, such as Figure 6 As shown, the first contact may include a current contact and a charging contact, and the second contact may include a first power supply contact and a second power supply contact. The first power supply contact can be connected to a current port, and the second power supply contact can be connected to a power supply battery. When the cartridge is magnetically connected to the power supply device, the current contact can be electrically connected to the first power supply contact, and the charging contact can be electrically connected to the second power supply contact. Further, the first contact may also include a receiving contact and a ground contact, and the second contact may also include a transmitting contact and a ground contact. The receiving contact can be connected to the transmitting contact for data transmission between the power supply device and the cartridge; the ground contact can be connected to the ground contact.

[0051] like Figure 2 As shown, pin 20 of the main control chip of the e-cigarette cartridge can be the control pin of the main control chip of the e-cigarette cartridge, pin 17 of the main control chip of the e-cigarette cartridge can be the first power supply control pin of the main control chip of the e-cigarette cartridge, pin 19 of the main control chip of the e-cigarette cartridge can be the second power supply control pin of the e-cigarette cartridge, pin 1 of the main control chip of the e-cigarette cartridge can be the third power supply control pin of the e-cigarette cartridge, pin 12 of the main control chip of the e-cigarette cartridge can be the first heating wire control pin of the e-cigarette cartridge, and pin 11 of the main control chip of the e-cigarette cartridge can be the second heating wire control pin of the e-cigarette cartridge.

[0052] In some embodiments, the cartridge may further include a cartridge information storage circuit, such as... Figure 7 As shown, the cartridge information storage circuit may include a memory chip U111, resistors R111 and R411. The serial clock pin of the memory chip U111 can be connected to one end of resistor R111 and the sampling pin of the cartridge main control chip. The other end of resistor R111 can be connected to both the cartridge battery and one end of resistor R411. The other end of resistor R411 can be connected to the data transmission pin of the memory chip U111 and the power indicator pin of the cartridge main control chip. The power pin of the memory chip U111 can be connected to the cartridge battery.

[0053] Specifically, the cartridge information storage circuit can be used to store cartridge information, which may include the remaining e-liquid in the cartridge, the cartridge number, and manufacturing information, etc.

[0054] like Figure 7 As shown, pin 1 of memory chip U111 can be the serial clock pin of memory chip U111, pin 3 of memory chip U111 can be the data transmission pin of memory chip U111, and pin 4 of memory chip U111 can be the power supply pin of memory chip U111.

[0055] like Figure 2 As shown, pin 5 of the main control chip of the e-cigarette cartridge can be the sampling pin of the main control chip of the e-cigarette cartridge, and pin 4 of the main control chip of the e-cigarette cartridge can be the power indicator pin of the main control chip of the e-cigarette cartridge.

[0056] In some embodiments, such as Figures 8 to 10 As shown, the power supply device may include a digital tube display circuit for displaying the charging power and charging status. The digital tube display circuit may include a digital tube control module, a digital display module, and a status display module.

[0057] In some embodiments, the digital tube control module may include resistors R11, R12, R13, R14, R16, and R17. One end of resistor R11 can be connected to the first LED pin of the power supply main control chip, and the other end of resistor R11 can be the first terminal of the digital tube control module. One end of resistor R12 can be connected to the second LED pin of the power supply main control chip, and the other end of resistor R12 can be the second terminal of the digital tube control module. One end of resistor R13 can be connected to the third LED pin of the power supply main control chip, and the other end of resistor R13 can be the third terminal of the digital tube control module. One end of resistor R14 can be connected to the fourth LED pin of the power supply main control chip, and the other end of resistor R14 can be the fourth terminal of the digital tube control module. One end of resistor R16 can be connected to the fifth LED pin of the power supply main control chip, and the other end of resistor R16 can be the fifth terminal of the digital tube control module. One end of resistor R17 can be connected to the sixth LED pin of the power supply main control chip, and the other end of resistor R17 can be the sixth terminal of the digital tube control module. The power supply control chip can generate high and low level signals on the light pins, and then control the corresponding light-emitting diodes in the digital display module and status display module to turn on or off through the digital tube control module.

[0058] like Figure 1As shown, pin 19 of the power supply main control chip can be the first light pin of the power supply main control chip, pin 20 of the power supply main control chip can be the second light pin of the power supply main control chip, pin 1 of the power supply main control chip can be the third light pin of the power supply main control chip, pin 2 of the power supply main control chip can be the fourth light pin of the power supply main control chip, pin 3 of the power supply main control chip can be the fifth light pin of the power supply main control chip, and pin 4 of the power supply main control chip can be the sixth light pin of the power supply main control chip.

[0059] In some embodiments, the digital display module may include a first digital portion, a second digital portion, and a third digital portion arranged in parallel. The first digital portion may include LEDs DH1 and DH2; the second digital portion may include LEDs DA1, DF1, DB1, DG1, DE1, DC1, and DD1; and the third digital portion may include LEDs DA2, DF2, DB2, DG2, DE2, DC2, and DD2. LEDs DH1 and DH2 are located on the same straight line. LEDs DA1 and DD1 are symmetrically arranged vertically about LED DG1. LEDs DF1 and DB1 are located between LEDs DA1 and DG1 and are symmetrically arranged horizontally about LED DG1. LEDs DE1 and DC1 are located between LEDs DG1 and DD1 and are symmetrically arranged horizontally about LED DG1.

[0060] Accordingly, LED DA2 can be symmetrically arranged with LED DD2 about LED DG2 in the vertical direction, LED DF2 and LED DB2 can be located between LED DA2 and LED DG2 and symmetrically arranged with respect to LED DG2 in the horizontal direction, and LED DE2 and LED DC2 can be located between LED DG2 and LED DD2 and symmetrically arranged with respect to LED DG2 in the horizontal direction.

[0061] In some embodiments, the cathode of LED DH1 can be connected to the second terminal of the digital tube control module, and the anode of LED DH1 can be connected to the fourth terminal of the digital tube control module; the cathode of LED DH2 is connected to the fourth terminal of the digital tube control module, and the anode of LED DH2 is connected to the first terminal of the digital tube control module.

[0062] In some embodiments, the cathode of LED DA1 can be connected to the first terminal of the digital tube control module, and the anode of LED DA1 can be connected to the second terminal of the digital tube control module; the cathode of LED DF1 can be connected to the second terminal of the digital tube control module, and the anode of LED DF1 can be connected to the first terminal of the digital tube control module; the cathode of LED DB1 can be connected to the first terminal of the digital tube control module, and the anode of LED DB1 can be connected to the third terminal of the digital tube control module; the cathode of LED DG1 can be connected to the second terminal of the digital tube control module, and the anode of LED DG1 can be connected to the third terminal of the digital tube control module; the cathode of LED DE1 can be connected to the first terminal of the digital tube control module, and the anode of LED DE1 can be connected to the sixth terminal of the digital tube control module; the cathode of LED DC1 can be connected to the first terminal of the digital tube control module, and the anode of LED DC1 can be connected to the fourth terminal of the digital tube control module; the cathode of LED DD1 can be connected to the first terminal of the digital tube control module, and the anode of LED DD1 can be connected to the fifth terminal of the digital tube control module.

[0063] In some embodiments, the cathode of LED DA2 can be connected to the second terminal of the digital tube control module, and the anode of LED DA2 can be connected to the fifth terminal of the digital tube control module; the cathode of LED DF2 can be connected to the third terminal of the digital tube control module, and the anode of LED DF2 can be connected to the fifth terminal of the digital tube control module; the cathode of LED DB2 can be connected to the second terminal of the digital tube control module, and the anode of LED DB2 can be connected to the sixth terminal of the digital tube control module; the cathode of LED DG2 can be connected to the third terminal of the digital tube control module, and the anode of LED DG2 can be connected to the sixth terminal of the digital tube control module; the cathode of LED DE2 can be connected to the third terminal of the digital tube control module, and the anode of LED DE2 can be connected to the fourth terminal of the digital tube control module; the cathode of LED DC2 can be connected to the third terminal of the digital tube control module, and the anode of LED DC2 can be connected to the first terminal of the digital tube control module; the cathode of LED DD2 can be connected to the third terminal of the digital tube control module, and the anode of LED DD2 can be connected to the second terminal of the digital tube control module.

[0064] In some embodiments, the status display module may include LEDs DK1, DK2, DK3, DK4, DK5, DK6, and DK7. LED DK2 is positioned directly above LED DK5, LED DK3 is positioned diagonally to the lower right of LED DK2, LED DK1 is positioned diagonally to the upper right of LED DK3, LED DK4 is positioned diagonally to the lower right of LED DK1, LED DK6 is positioned directly below LED DK4, and LED DK7 is positioned diagonally to the lower left of LED DK6.

[0065] In some embodiments, the cathode of LED DK1 can be connected to the fifth terminal of the digital tube control module, and the anode of LED DK1 can be connected to the sixth terminal of the digital tube control module; the cathode of LED DK2 can be connected to the fourth terminal of the digital tube control module, and the anode of LED DK2 can be connected to the second terminal of the digital tube control module; the cathode of LED DK3 can be connected to the fourth terminal of the digital tube control module, and the anode of LED DK3 can be connected to the fifth terminal of the digital tube control module; the cathode of LED DK4 can be connected to the sixth terminal of the digital tube control module. The LEDs are connected as follows: the anode of LED DK4 can be connected to the first terminal of the digital tube control module; the cathode of LED DK5 can be connected to the fourth terminal of the digital tube control module, and the anode of LED DK5 can be connected to the third terminal of the digital tube control module; the cathode of LED DK6 can be connected to the sixth terminal of the digital tube control module, and the anode of LED DK6 can be connected to the second terminal of the digital tube control module; the cathode of LED DK7 can be connected to the fourth terminal of the digital tube control module, and the anode of LED DK7 can be connected to the sixth terminal of the digital tube control module.

[0066] In some embodiments, the power supply device may include a power storage circuit for storing the e-liquid volume, serial number, and number of e-liquid cartridges, such as... Figure 11 As shown, the power supply and storage circuit may include a power supply and storage chip, resistors R18 and R19. The clock pin of the power supply and storage chip is connected to the first storage pin of the power supply master control chip and one end of resistor R18. The other end of resistor R18 is connected to the power supply battery and one end of resistor R19. The other end of resistor R19 is connected to the second storage pin of the power supply master control chip and the serial data pin of the power supply and storage chip.

[0067] like Figure 11 As shown, pin 1 of the power supply memory chip can be the clock pin of the power supply memory chip, and pin 3 of the power supply memory chip can be the serial data pin of the power supply memory chip.

[0068] like Figure 1 As shown, pin 9 of the power supply main control chip can be the first storage pin of the power supply main control chip, and pin 10 of the power supply main control chip can be the second storage pin of the power supply main control chip.

[0069] In this application, when the cartridge and the power supply device are magnetically connected, energizing the first and second contacts, the power supply device's battery can charge the cartridge's battery through the first and second contacts. Simultaneously, the cartridge's main control chip can control the power supply device's battery and / or the cartridge's battery to supply power to the cartridge's heating wire. In this configuration, the cartridge's battery can be charged promptly when the user has no need to use the device, while the user can flexibly select the battery to power the cartridge when needed, significantly reducing user anxiety about battery levels and improving the user experience. Furthermore, the magnetic connection makes the charging process more stable, reducing the risk of poor contact, and requires only minimal external force to separate the power supply device from the cartridge, further enhancing the user experience.

[0070] The above description is merely a preferred embodiment of this application. Those skilled in the art will understand that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this application. Furthermore, under the teachings of this application, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this application. Therefore, this application is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this application.

Claims

1. An electronic system of an electronic cigarette, characterized in that, Includes smoke cartridges and power supply devices; The power supply device includes a power supply housing, a first contact, and a power supply battery, a charging and discharging circuit, and a power supply main control chip disposed inside the power supply housing. The power supply battery is connected to the charging and discharging circuit and the power supply main control chip. The cartridge includes a cartridge housing, a second contact, and a cartridge battery, a cartridge charging circuit, a cartridge main control chip, and several heating wires disposed inside the cartridge housing. The cartridge battery is connected to the cartridge charging circuit, the cartridge main control chip, and the several heating wires. When the cartridge is magnetically connected to the power supply device, the first contact and the second contact are connected, so that the charging and discharging circuit is connected to the cartridge charging circuit, and the power supply battery is connected to the plurality of heating wires; the power supply main control chip is used to control the power supply battery to charge the cartridge battery through the charging and discharging circuit and the cartridge charging circuit; the cartridge main control chip is used to control the power supply battery and / or the cartridge battery to supply power to the plurality of heating wires.

2. The electronic system of an electronic cigarette according to claim 1, characterized in that, The charging and discharging circuit includes a charging and discharging chip, a charging module, and a discharging module; the switch pin, battery pin, and power pin of the charging and discharging chip are all connected to the charging module, and the output pin of the charging and discharging chip is connected to the discharging module.

3. The electronic system of an electronic cigarette according to claim 2, characterized in that, The charging module includes resistors R8 and R9, capacitors C4, C6, and C7, inductor L1, and PMOS transistor D7. The switching pin of the charging / discharging chip is connected to one end of resistor R9 and one end of inductor L1. The other end of resistor R9 is connected to one end of capacitor C4, and the other end of capacitor C4 is grounded. The other end of inductor L1 is connected to the drain of PMOS transistor D7, the battery pin of the charging / discharging chip, and one end of capacitor C7. The gate of PMOS transistor D7 is connected to the cartridge pin of the power supply control chip and one end of resistor R8. The source of PMOS transistor D7 is connected to the other end of resistor R8 and the power supply battery. The other end of capacitor C7 is connected to one end of capacitor C6 and grounded. The other end of capacitor C6 is connected to the power supply pin of the charging / discharging chip and the power supply voltage.

4. The electronic system of the electronic cigarette according to claim 2, characterized in that, The discharge module includes PMOS transistors D2, D4, and D6, resistors R1, R3, R4, R5, R7, and R10, diodes D1, D3, and D5, and capacitor C5. The output pin of the charge / discharge chip is connected to one end of capacitor C5, one end of resistor R1, one end of resistor R4, one end of resistor R7, the source of PMOS transistors D2, D4, and D6. The gate of PMOS transistor D2 is connected to the other end of resistor R1 and the first drive pin of the power supply control chip. The gate of PMOS transistor D4 is connected to the other end of resistor R4 and the second drive pin of the power supply control chip. The gate of PMOS transistor D6 is connected to the other end of resistor R7 and the... The third drive pin of the power supply main control chip is connected to the power supply main control chip. The drain of the PMOS transistor D2 is connected to one end of the resistor R3 and the Type-C+ port. The other end of the resistor R3 is connected to the cathode of the diode D1 and the first sampling pin of the power supply main control chip. The drain of the PMOS transistor D4 is connected to one end of the resistor R5 and the Lighting+ port. The other end of the resistor R5 is connected to the cathode of the diode D3 and the second sampling pin of the power supply main control chip. The drain of the PMOS transistor D6 is connected to one end of the resistor R10 and the current port. The other end of the resistor R10 is connected to the cathode of the diode D5 and the third sampling pin of the power supply main control chip. The cathodes of the diodes D1, D3, and D5 are all connected to the power supply battery.

5. The electronic system of the electronic cigarette according to claim 4, characterized in that, The cartridge charging circuit includes a cartridge charging chip, the power pin of which is connected to the current port, and the battery pin of which is connected to the cartridge battery.

6. The electronic system of the electronic cigarette according to claim 5, characterized in that, The cartridge charging circuit includes resistors R20, R30, R50, and R70, and capacitor C100. One end of resistor R20 and one end of resistor R30 are both connected to the control pin of the cartridge main control chip. The other end of resistor R20 is connected to the current port. The other end of resistor R30 is connected to the power supply battery and one end of resistor R50. The other end of resistor R50 is connected to the battery pin of the cartridge charging chip and the cartridge battery. One end of capacitor C100 is connected to the power supply pin of the cartridge charging chip and the current port. The other end of capacitor C100 is connected to one end of resistor R70 and grounded. The other end of resistor R70 is connected to the programming pin of the cartridge charging chip.

7. The electronic system of the electronic cigarette according to claim 1, characterized in that, The cartridge includes a power selection circuit, which includes a first power supply module and a first cartridge power supply module. One end of the first power supply module is connected to the first power supply control pin of the cartridge main control chip, and the other end of the first power supply module is connected to the first heating wire and one end of the first cartridge power supply module. The other end of the first cartridge power supply module is connected to the second power supply control pin of the cartridge main control chip.

8. The electronic system of the electronic cigarette according to claim 7, characterized in that, The first power supply module includes resistors R90, R110, and R140, a transistor Q10, and a PMOS transistor D30. The base of transistor Q10 is connected to one end of resistor R110, and the other end of resistor R110 is connected to the first power supply control pin of the cartridge main control chip and one end of resistor R140, with the other end of resistor R140 grounded. The collector of transistor Q10 is connected to one end of resistor R90 and the gate of PMOS transistor D30, and the other end of resistor R90 is connected to the power supply battery and the source of PMOS transistor D30. The drain of PMOS transistor D30 is connected to the first heating wire. The emitter of transistor Q10 is connected to the first heating wire control pin of the cartridge main control chip.

9. The electronic system of the electronic cigarette according to claim 8, characterized in that, The first cartridge power supply module includes a resistor R100 and a PMOS transistor D20; the source of the PMOS transistor D20 is connected to one end of the resistor R100 and the cartridge battery, the gate of the PMOS transistor D20 is connected to the other end of the resistor R100 and the second power supply control pin of the cartridge main control chip, and the drain of the PMOS transistor D20 is connected to the drain of the PMOS transistor D30 and the first heating wire.

10. The electronic system of the electronic cigarette according to claim 4, characterized in that, The first contact includes a current contact and a charging contact, and the second contact includes a first power supply contact and a second power supply contact. The first power supply contact is connected to the current port, and the second power supply contact is connected to the power supply battery. When the cartridge is magnetically connected to the power supply device, the current contact is electrically connected to the first power supply contact, and the charging contact is electrically connected to the second power supply contact.