Electronic cigarette control circuit with double-cartridge switching function

Abstract

The utility model provides an electronic cigarette control circuit with a double-cartridge switching function, which comprises a primary voltage-stabilizing power supply circuit, a secondary voltage-stabilizing power supply circuit, an electronic cigarette main body main control circuit and a double-cartridge tobacco tar atomization control circuit, the first-stage voltage-stabilizing power supply circuit is in power supply connection with the second-stage voltage-stabilizing power supply circuit, the second-stage voltage-stabilizing power supply circuit is in power supply connection with the electronic cigarette main body main control circuit and the double-cartridge tobacco tar atomization control circuit, and the output end of the electronic cigarette main body main control circuit is connected with the input end of the double-cartridge tobacco tar atomization control circuit. The output end of the double-cartridge tobacco tar atomization control circuit is in power supply connection with the atomizer of the first cartridge and the atomizer of the second cartridge, and the input end of the electronic cigarette main body main control circuit is connected with a microphone switch and a taste switching key. The electronic cigarette has the advantages that two smoke cartridges with different tastes can be connected into the electronic cigarette body at the same time and can be switched at any time.

Description

Technical Field

[0001] This utility model relates to the field of circuit technology, specifically to an electronic cigarette control circuit with dual cartridge switching function. Background Technology

[0002] Electronic cigarettes are electronic products that mimic traditional cigarettes, possessing the same appearance, smoke, taste, and feel, and even offering a wider variety of flavors than regular cigarettes. They work by atomizing nicotine and other substances into vapor for users to inhale. Generally, electronic cigarettes consist of three main parts: a cartridge containing the nicotine solution, an vaporizer, and a battery. The atomizer, powered by the battery, transforms the liquid nicotine in the cartridge into vapor, providing the user with a sensation similar to smoking.

[0003] Currently, most e-cigarettes on the market consist of a cartridge and the main body. The cartridge typically comprises a non-removable e-liquid tank and an atomizer. The e-liquid in the tank is atomized by the atomizer for the user to inhale. There are currently two main atomization methods: one is heat atomization, which uses a heating coil and a heating mesh to heat and atomize the e-liquid in the tank for inhalation; the other is ultrasonic atomization, where the e-liquid is ultrasonically atomized by the cartridge. Regardless of the atomization method, the atomizer in the cartridge needs to be powered, and the main body of the e-cigarette must contain a main control circuit board and a power supply.

[0004] In existing technology, the e-cigarette body and the e-liquid cartridge are detachable. To switch between different flavored cartridges, the currently used cartridge must be removed and replaced with a different flavored cartridge. However, this switching method is not only cumbersome, but also difficult to store unused cartridges, posing a risk of e-liquid leakage and contamination of other objects. Furthermore, reinstalling the cartridge into the e-cigarette body carries the risk of further leakage, resulting in poor safety and a negative user experience. Utility Model Content

[0005] To address the problems in the existing technology, this utility model provides an electronic cigarette control circuit with dual-cartridge switching function. By setting up a primary voltage regulator circuit, a secondary voltage regulator circuit, an electronic cigarette main control circuit, and a dual-cartridge e-liquid atomization control circuit that cooperate with each other in the electronic cigarette control circuit with dual-cartridge switching function, it is possible to connect two different flavored cartridges to one electronic cigarette main body at the same time, and switch between the two different flavored cartridges at any time for use. This solves the problems of cumbersome operation and low safety in the existing technology of switching between different flavored cartridges in electronic cigarettes.

[0006] This utility model provides an electronic cigarette control circuit with dual cartridge switching function, including a primary voltage regulated power supply circuit, a secondary voltage regulated power supply circuit, an electronic cigarette main control circuit, and a dual cartridge e-liquid atomization control circuit. The input terminal of the primary voltage regulated power supply circuit is connected to a power supply, and the output terminal of the primary voltage regulated power supply circuit is connected to the secondary voltage regulated power supply circuit. The output terminal of the secondary voltage regulated power supply circuit is connected to the electronic cigarette main control circuit and the dual cartridge e-liquid atomization control circuit. The output terminal of the electronic cigarette main control circuit is connected to the input terminal of the dual cartridge e-liquid atomization control circuit, and the output terminal of the dual cartridge e-liquid atomization control circuit is connected to the atomizers of the first cartridge and the second cartridge. The input terminal of the electronic cigarette main control circuit is connected to a microphone switch and a flavor switching button. The electronic cigarette main control circuit can control the on / off connection between the dual cartridge e-liquid atomization control circuit and the atomizers of the first and second cartridges according to the trigger information of the flavor switching button.

[0007] This utility model is further improved in that the main control circuit of the electronic cigarette body is provided with a main control chip U2 and a resistor R29. The main control chip U2 has 20 pins. The 5th pin of the main control chip U2 is connected to one end of the resistor R29, and the other end of the resistor R29 is connected to the output terminal of the secondary voltage regulator circuit. The 4th and 12th pins of the main control chip U2 are connected to the input terminal of the dual-cartridge e-liquid atomization control circuit. The 19th pin of the main control chip U2 is connected to the microphone switch, and the 8th pin of the main control chip U2 is connected to the flavor switching button.

[0008] This utility model is further improved in that the dual-cartridge e-liquid atomization control circuit is provided with a field-effect transistor Q1, a resistor R14, a field-effect transistor Q3, and a resistor R31. The source of the field-effect transistor Q1 is connected to the source of the field-effect transistor Q3 and the output terminal of the secondary voltage regulator power supply circuit. The gate of the field-effect transistor Q1 is connected to the 4th pin of the main control chip U2 through the resistor R14. The gate of the field-effect transistor Q3 is connected to the 12th pin of the main control chip U2 through the resistor R31. The drain of the field-effect transistor Q1 is connected to the power supply of the atomizer of the first cartridge, and the drain of the field-effect transistor Q3 is connected to the power supply of the atomizer of the second cartridge.

[0009] This utility model is further improved in that the first-stage voltage regulator circuit is provided with a power management chip U1 and a capacitor C1. The power management chip U1 has 9 pins. The 8th pin of the power management chip U1 is connected to the power supply. The 1st pin of the power management chip U1 is connected to the second-stage voltage regulator circuit and one end of the capacitor C1. The 5th pin of the power management chip U1, the 9th pin of the power management chip U1, and the other end of the capacitor C1 are grounded.

[0010] This utility model is further improved by including a voltage regulator chip U3, a capacitor C5, and a diode D3 in the secondary voltage regulator power supply circuit. The voltage regulator chip U3 has 6 pins. The first pin of the voltage regulator chip U3 is connected to the first pin of the power management chip U1. The sixth pin of the voltage regulator chip U3 is connected to the negative terminal of the diode D3, one end of the capacitor C5, the other end of the resistor R29, the source of the field-effect transistor Q1, and the source of the field-effect transistor Q3. The second pin, the third pin, the fifth pin of the voltage regulator chip U3, the positive terminal of the diode D3, and the other end of the capacitor C5 are grounded.

[0011] This utility model is further improved, and the main control chip U2 is model number SC8F073AD720NPR.

[0012] This utility model is further improved, and the power management chip U1 is model LP4073QVF.

[0013] This utility model is further improved, and the voltage regulator chip U3 is model number BP5301.

[0014] Compared with the prior art, the beneficial effects of this utility model are: it provides an electronic cigarette control circuit with dual cartridge switching function. By setting up a primary voltage regulator circuit, a secondary voltage regulator circuit, an electronic cigarette main control circuit, and a dual cartridge e-liquid atomization control circuit in the electronic cigarette control circuit with dual cartridge switching function, the electronic cigarette main control circuit can control the on / off connection between the dual cartridge e-liquid atomization control circuit and the atomizers of the first and second cartridges according to the trigger information of the flavor switching button. It can realize that one electronic cigarette main body can simultaneously connect to two different flavor cartridges, and can switch between the two different flavor cartridges at any time. The circuit structure is simple, which greatly improves the safety of electronic cigarettes and the user experience, and solves the problems of cumbersome operation and low safety of switching between different flavor cartridges in the prior art. Attached Figure Description

[0015] To more clearly illustrate the solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of an electronic cigarette control circuit with dual cartridge switching function according to the present invention.

[0017] Figure 2 This is a circuit diagram of the main control circuit of the electronic cigarette body of this utility model;

[0018] Figure 3 This is a circuit diagram of the dual-cartridge e-liquid atomization control circuit of this utility model;

[0019] Figure 4 The circuit diagram is for the first-stage voltage regulator power supply circuit of this utility model;

[0020] Figure 5 This is a circuit diagram of the two-stage voltage regulator power supply circuit of this utility model. Detailed Implementation

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this invention are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or accompanying drawings of this invention are used to distinguish different objects, not to describe a particular order.

[0022] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0023] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0024] like Figures 1-5As shown, this utility model provides an electronic cigarette control circuit with dual cartridge switching function, including a primary voltage regulated power supply circuit, a secondary voltage regulated power supply circuit, an electronic cigarette main body control circuit, and a dual cartridge e-liquid atomization control circuit. The input terminal of the primary voltage regulated power supply circuit is connected to a power supply, and the output terminal of the primary voltage regulated power supply circuit is connected to the secondary voltage regulated power supply circuit. The output terminal of the secondary voltage regulated power supply circuit is connected to the electronic cigarette main body control circuit and the dual cartridge e-liquid atomization control circuit. The output terminal of the electronic cigarette main body control circuit is connected to the input terminal of the dual cartridge e-liquid atomization control circuit. The output terminal of the dual cartridge e-liquid atomization control circuit is connected to the atomizers of the first cartridge and the second cartridge. The input terminal of the electronic cigarette main body control circuit is connected to a microphone switch and a flavor switching button. In this embodiment, the main control circuit of the electronic cigarette can control the on / off connection between the dual-cartridge e-liquid atomization control circuit and the atomizers of the first and second cartridges according to the trigger information of the flavor switching button. This allows one electronic cigarette to simultaneously connect to two cartridges with different flavors, and the user can switch between these two different flavor cartridges at any time. The circuit structure is simple, which greatly improves the safety of the electronic cigarette and the user experience.

[0025] like Figure 2 As shown, the main control circuit of the electronic cigarette body includes a main control chip U2 and a resistor R29. The main control chip U2 is model SC8F073AD720NPR and has 20 pins. Pin 5 of the main control chip U2 is connected to one end of resistor R29, and the other end of resistor R29 is connected to the output of the secondary voltage regulator circuit. Pins 4 and 12 of the main control chip U2 are connected to the input of the dual-cartridge e-liquid atomization control circuit. Pin 19 of the main control chip U2 is connected to the microphone switch, and pin 8 of the main control chip U2 is connected to the flavor switching button. In this embodiment, the main control circuit of the electronic cigarette body is used to control the on / off connection between the dual-cartridge e-liquid atomization control circuit and the atomizers of the first and second cartridges based on the trigger information of the flavor switching button.

[0026] like Figure 3 As shown, the dual-cartridge e-liquid atomization control circuit includes a field-effect transistor (FET) Q1, a resistor R14, an FET Q3, and a resistor R31. The source of FET Q1 is connected to the source of FET Q3 and the output terminal of the secondary voltage regulator circuit. The gate of FET Q1 is connected to pin 4 of the main control chip U2 through resistor R14, and the gate of FET Q3 is connected to pin 12 of the main control chip U2 through resistor R31. The drain of FET Q1 is connected to the power supply of the atomizer of the first cartridge, and the drain of FET Q3 is connected to the power supply of the atomizer of the second cartridge. In this embodiment, the dual-cartridge e-liquid atomization control circuit is used to supply power to the atomizer of the first cartridge or the atomizer of the second cartridge according to the control signal of the main control circuit of the electronic cigarette body.

[0027] like Figure 4 As shown, the primary voltage regulator circuit includes a power management chip U1 and a capacitor C1. The power management chip U1 is an LP4073QVF with nine pins. Pin 8 of the power management chip U1 is connected to the power supply. Pin 1 of the power management chip U1 is connected to the secondary voltage regulator circuit and one end of capacitor C1. Pins 5 and 9 of the power management chip U1, and the other end of capacitor C1 are grounded. In this embodiment, the primary voltage regulator circuit supplies power to the secondary voltage regulator circuit.

[0028] like Figure 5 As shown, the secondary voltage regulator circuit includes a voltage regulator chip U3, a capacitor C5, and a diode D3. The voltage regulator chip U3 is a BP5301 and has six pins. Pin 1 of the voltage regulator chip U3 is connected to pin 1 of the power management chip U1. Pin 6 of the voltage regulator chip U3 is connected to the cathode of diode D3, one end of capacitor C5, the other end of resistor R29, the source of MOSFET Q1, and the source of MOSFET Q3. Pins 2, 3, and 5 of the voltage regulator chip U3, the anode of diode D3, and the other end of capacitor C5 are grounded. In this embodiment, the secondary voltage regulator circuit powers the main control circuit of the electronic cigarette body and the dual-cartridge e-liquid atomization control circuit.

[0029] As can be seen from the above, this utility model provides an electronic cigarette control circuit with dual-cartridge switching function. By setting up a primary voltage regulator circuit, a secondary voltage regulator circuit, an electronic cigarette main control circuit, and a dual-cartridge e-liquid atomization control circuit in the electronic cigarette control circuit with dual-cartridge switching function, the electronic cigarette main control circuit can control the on / off connection between the dual-cartridge e-liquid atomization control circuit and the atomizers of the first and second cartons according to the trigger information of the flavor switching button. It can realize that one electronic cigarette main body can simultaneously connect to two different flavor cartons, and can switch between the two different flavor cartons at any time. The circuit structure is simple, which greatly improves the safety of electronic cigarettes and the user experience, and solves the problems of cumbersome operation and low safety of switching different flavor cartons in existing electronic cigarettes.

[0030] The specific embodiments described above are preferred embodiments of this utility model, and are not intended to limit the specific scope of this utility model. The scope of this utility model includes but is not limited to the specific embodiments described above. All equivalent changes made in accordance with this utility model are within the protection scope of this utility model.

Claims

1. An electronic cigarette control circuit with dual cartridge switching function, characterized in that: The device includes a primary voltage regulator circuit, a secondary voltage regulator circuit, a main control circuit for the electronic cigarette body, and a dual-cartridge e-liquid atomization control circuit. The input terminal of the primary voltage regulator circuit is connected to a power supply. The output terminal of the primary voltage regulator circuit is connected to the secondary voltage regulator circuit. The output terminal of the secondary voltage regulator circuit is connected to both the main control circuit for the electronic cigarette body and the dual-cartridge e-liquid atomization control circuit. The output terminal of the main control circuit for the electronic cigarette body is connected to the input terminal of the dual-cartridge e-liquid atomization control circuit. The output terminal of the dual-cartridge e-liquid atomization control circuit is connected to the atomizers of the first and second cartridges. The input terminal of the main control circuit for the electronic cigarette body is connected to a microphone switch and a flavor switching button. The main control circuit for the electronic cigarette body can control the connection and disconnection between the dual-cartridge e-liquid atomization control circuit and the atomizers of the first and second cartridges based on the trigger information of the flavor switching button.

2. The electronic cigarette control circuit with dual cartridge switching function according to claim 1, characterized in that: The main control circuit of the electronic cigarette body includes a main control chip U2 and a resistor R29. The main control chip U2 has 20 pins. Pin 5 of the main control chip U2 is connected to one end of the resistor R29, and the other end of the resistor R29 is connected to the output of the secondary voltage regulator circuit. Pins 4 and 12 of the main control chip U2 are connected to the input of the dual-cartridge e-liquid atomization control circuit. Pin 19 of the main control chip U2 is connected to the microphone switch, and pin 8 of the main control chip U2 is connected to the flavor switching button.

3. The electronic cigarette control circuit with dual cartridge switching function according to claim 2, characterized in that: The dual-cartridge e-liquid atomization control circuit includes a field-effect transistor Q1, a resistor R14, a field-effect transistor Q3, and a resistor R31. The source of field-effect transistor Q1 is connected to the source of field-effect transistor Q3 and the output terminal of the secondary voltage regulator circuit. The gate of field-effect transistor Q1 is connected to pin 4 of the main control chip U2 through the resistor R14. The gate of field-effect transistor Q3 is connected to pin 12 of the main control chip U2 through the resistor R31. The drain of field-effect transistor Q1 is connected to the atomizer of the first cartridge, and the drain of field-effect transistor Q3 is connected to the atomizer of the second cartridge.

4. The electronic cigarette control circuit with dual cartridge switching function according to claim 3, characterized in that: The primary voltage regulator circuit includes a power management chip U1 and a capacitor C1. The power management chip U1 has 9 pins. The 8th pin of the power management chip U1 is connected to the power supply. The 1st pin of the power management chip U1 is connected to the secondary voltage regulator circuit and one end of the capacitor C1. The 5th pin of the power management chip U1, the 9th pin of the power management chip U1, and the other end of the capacitor C1 are grounded.

5. The electronic cigarette control circuit with dual cartridge switching function according to claim 4, characterized in that: The secondary voltage regulator circuit includes a voltage regulator chip U3, a capacitor C5, and a diode D3. The voltage regulator chip U3 has 6 pins. The first pin of the voltage regulator chip U3 is connected to the first pin of the power management chip U1. The sixth pin of the voltage regulator chip U3 is connected to the negative terminal of the diode D3, one end of the capacitor C5, the other end of the resistor R29, the source of the field-effect transistor Q1, and the source of the field-effect transistor Q3. The second, third, and fifth pins of the voltage regulator chip U3, the positive terminal of the diode D3, and the other end of the capacitor C5 are grounded.

6. The electronic cigarette control circuit with dual cartridge switching function according to claim 5, characterized in that: The main control chip U2 is model SC8F073AD720NPR.

7. The electronic cigarette control circuit with dual cartridge switching function according to claim 6, characterized in that: The power management chip U1 is model LP4073QVF.

8. The electronic cigarette control circuit with dual cartridge switching function according to claim 7, characterized in that: The voltage regulator chip U3 is model BP5301.

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