Segmented heating wire and control circuit thereof

Abstract

According to the segmented heating wire, a main heating part and a sub heating part are sequentially, alternately, independently or simultaneously electrified for heating according to different numbers of smoking mouths, the resistance value of the heating wire is different under different electrified heating modes, and the generated smoke amount is different, so that a smoker can freely switch among various smoking modes with different smoke amounts; different taste requirements are met, and the pleasure of smoking is increased; due to the fact that the heating parts do not affect one another, the problem of carbon deposition caused by long-term heating is avoided. The invention further discloses a control circuit of the segmented heating wire, the control circuit comprises a control module, a power supply unit, a segmented heating module and a display module, and the control circuit is used for controlling the segmented heating wire to sequentially, alternately or simultaneously emit heat to heat tobacco tar in the electronic cigarette and sending a display signal to the display module according to a preset segmented heating strategy. Comprising the following steps: independently prompting the working state of one heating area, displaying the corresponding number of smoking times, and lighting for prompting when the corresponding heating wire works.

Description

Technical Field

[0001] The present invention relates to the technical field related to electronic cigarettes, and in particular to a segmented heating wire and a control circuit thereof. Background Art

[0002] The heating wire, as a heating component in the electronic cigarette, is mainly located in the pipe corresponding to the atomizer core, and heats the smoke liquid that is guided into the atomizer core to atomize and produce smoke.

[0003] Most of the current heating wires of electronic cigarettes use a single set of heating wires, and the electrodes at both ends are connected to the output electrodes of the heating control device. When you start smoking, turn on the power, the heating control device is powered on, the heating element heats up quickly, and the smoke liquid in the atomizer core is heated and atomized to produce smoke.

[0004] With the development of the e-cigarette industry, e-cigarette enthusiasts have further pursued the taste of e-cigarettes. A single set of heating wires often cannot provide a variety of different resistance values ​​in the use of e-cigarettes to meet the fun needs of freely switching between a variety of different smoke volume suction modes; in addition, a single set of heating wires, after being used for a certain period of time, is prone to carbon deposits due to long-term heating, resulting in a decrease in the suction taste.

[0005] Therefore, it is necessary to provide a segmented heating wire and a control circuit thereof to overcome the above-mentioned defects. Summary of the invention

[0006] The main purpose of the present invention is to overcome the deficiencies in the prior art and provide a segmented heating wire and a control circuit thereof, so as to solve the problems in the prior art that a single set of heating wires, in the use of electronic cigarettes, often cannot provide a variety of different resistance values ​​to meet the demand for fun brought by freely switching between a variety of suction modes with different smoke volumes; and a single set of heating wires, after being used for a certain period of time, is prone to carbon deposits due to long-term heating, resulting in a decrease in the smoking taste.

[0007] To achieve the above-mentioned purpose, the technical solution provided in accordance with the present invention is: a segmented heating wire, comprising at least one main heating part, the main heating part comprising a heating plate, a first pin and a second pin, the first pin and the second pin are respectively connected to a plurality of auxiliary heating parts, the auxiliary heating part connected to the first pin and the auxiliary heating part connected to the second pin are insulated, each auxiliary heating part is composed of a plurality of sub-heating parts in parallel, the sub-heating part comprises a second heating plate, a third pin and a fourth pin, and at least one pin of the parallel sub-heating parts is connected to one of the pins in the main heating part.

[0008] As a further solution of the present invention, it is characterized in that: the first pin is connected to an auxiliary heating part, the auxiliary heating part is composed of a sub-heating part, one of the pins in the sub-heating part, the third pin or the fourth pin is connected to the first pin; the second pin is connected to an auxiliary heating part, the auxiliary heating part is composed of a sub-heating part, one of the pins in the sub-heating part, the third pin or the fourth pin is connected to the second pin.

[0009] As a further solution of the present invention, it is characterized in that: the first pin is connected to an auxiliary heating part, the auxiliary heating part is composed of two sub-heating parts in parallel, at least one pin of the two sub-heating parts is connected to the first pin, and at least two pins are connected or shared; the second pin is connected to an auxiliary heating part, the auxiliary heating part is composed of a sub-heating part, one of the pins in the sub-heating part, the third pin or the fourth pin is connected to the second pin.

[0010] As a further solution of the present invention, it is characterized in that: the first pin is connected to an auxiliary heating part, the auxiliary heating part is composed of a sub-heating part, one of the pins in the sub-heating part, the third pin or the fourth pin is connected to the first pin; the second pin is connected to an auxiliary heating part, the auxiliary heating part is composed of two sub-heating parts in parallel, at least one pin of the two sub-heating parts is connected to the second pin, and at least two pins are connected or shared.

[0011] As a further solution of the present invention, it is characterized in that: the first pin is connected to an auxiliary heating part, the auxiliary heating part is composed of two sub-heating parts in parallel, at least one pin of the two sub-heating parts is connected to the first pin, and at least two pins are connected or shared; the second pin is connected to an auxiliary heating part, the auxiliary heating part is composed of two sub-heating parts in parallel, at least one pin of the two sub-heating parts is connected to the second pin, and at least two pins are connected or shared.

[0012] The present invention also provides a control circuit for a segmented heating wire, comprising a control module, a power supply unit, a segmented heating module and a display module. The control module is electrically connected to the power supply unit, the segmented heating module and the display module, respectively, and is used to control multiple heating zones to emit heat sequentially, alternately or simultaneously to heat the oil in the electronic cigarette, and to send a display signal to the display module according to a preset segmented heating strategy. The power supply unit is used to power the control module, the segmented heating module and the display module. The segmented heating module includes multiple heating zones that are used to form independent heating zones. The multiple heating zones emit heat sequentially, alternately or simultaneously to heat the oil in the electronic cigarette. The display module is used to independently indicate the working status of a heating zone, display the corresponding number of puffs, and light up a prompt when the corresponding heating wire is working.

[0013] As a further solution of the present invention, it is characterized in that: the control module includes an MCU, and a microphone, a first filtering module, a burning program, a button, an LED control circuit connection end and a segmented heating module connection end are arranged in parallel on the MCU, and the MCU controls the microphone, the first filtering module, the burning program, the switch module, the LED control circuit connection end and the segmented heating module connection end to work.

[0014] As a further solution of the present invention, it is characterized in that: the power supply unit includes a charging base, a voltage detection module, a charging IC, a power supply and a charging current regulation module, the charging base module is connected in parallel at both ends of the power supply, the charging IC is connected in series with the power supply and the MCU in the control module in turn, and the battery voltage detection circuit and the charging current regulation module are respectively connected in parallel at both ends of the charging IC.

[0015] As a further solution of the present invention, it is characterized in that: the segmented heating module includes a current limiting circuit, an amplifying circuit and a heating zone, the current limiting circuit is provided with a current limiting resistor, the amplifying circuit is provided with a MOS tube, the current limiting circuit and the amplifying circuit constitute a voltage stabilizing circuit, the heating zone is formed by a plurality of heating wires connected in parallel, and the current limiting resistor, the MOS tube and one of the heating wires are connected in series with the MCU in the control module in sequence.

[0016] As a further solution of the present invention, it is characterized in that: the display module includes a display screen, and a plurality of LED control circuits are arranged on the display screen, and the plurality of LED control circuits are respectively electrically connected to corresponding connection ends of the LED control circuit connection ends.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention relates to a segmented heating wire, comprising at least one main heating part, the main heating part comprising a heating plate, a first pin and a second pin, the first pin and the second pin are respectively connected to a plurality of auxiliary heating parts, the auxiliary heating part connected to the first pin and the auxiliary heating part connected to the second pin are insulated, each auxiliary heating part is composed of a plurality of sub-heating parts in parallel, the sub-heating part comprises a second heating plate, a third pin and a fourth pin, at least one pin of the parallel sub-heating parts is connected to one of the pins of the main heating part. The segmented heating wire is energized and heated sequentially, alternately, individually or simultaneously according to the number of different puffs. The resistance of the heating wire is different under different energization and heating modes, and the amount of smoke generated is also different. The smoker can freely switch between a plurality of puffing modes with different smoke amounts to meet different taste requirements and increase the pleasure of puffing; in addition, since the heating parts do not affect each other, the problem of carbon deposition caused by long-term heating of a single heating wire is also avoided. The present invention also discloses a control circuit of a segmented heating wire, comprising a control module, a power supply unit, a segmented heating module and a display module, which are used to control the segmented heating wire to emit heat sequentially, alternately or simultaneously to heat the oil in the electronic cigarette, and send a display signal to the display module according to a preset segmented heating strategy. The display module is used to independently prompt the working status of a heating zone, display the corresponding number of puffs, and light up a prompt through an LED when the corresponding heating wire is working. The user can quickly judge the internal working status of the electronic cigarette based on the prompt, thereby further improving the convenience of the user's puffing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a segmented heating wire according to Example 1 of the present invention;

[0020] Figure 2 This is a front view structural diagram of a segmented heating wire according to Example 1 of the present invention;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of a segmented heating wire according to Example 2 of the present invention;

[0022] Figure 4 This is a schematic front view of the structure of a segmented heating wire according to Embodiment 2 of the present invention;

[0023] Figure 5 This is a schematic diagram of the three-dimensional structure of a segmented heating wire according to Example 3 of the present invention;

[0024] Figure 6 This is a front view structural diagram of a segmented heating wire according to Embodiment 3 of the present invention;

[0025] Figure 7 This is a schematic diagram of the three-dimensional structure of a segmented heating wire according to Example 4 of the present invention;

[0026] Figure 8 This is a schematic front view of the structure of a segmented heating wire according to Example 4 of the present invention;

[0027] Fig. 9 This is a schematic diagram of the three-dimensional structure of a segmented heating wire according to Example 5 of the present invention;

[0028] Fig.10 This is a schematic front view of the structure of a segmented heating wire according to Example 5 of the present invention;

[0029] Fig.11 This is a schematic diagram of the three-dimensional structure of a segmented heating wire according to Example 6 of the present invention;

[0030] Fig.12 This is a front view structural diagram of a segmented heating wire according to Example 6 of the present invention;

[0031] Fig.13 This is a schematic diagram of the three-dimensional structure of a segmented heating wire according to Example 7 of the present invention;

[0032] Fig.14 This is a schematic front view of the structure of a segmented heating wire according to Example 7 of the present invention;

[0033] Fig.15 This is a schematic diagram of a control circuit of a segmented heating wire according to Embodiment 8 of the present invention;

[0034] Fig.16 A circuit diagram of a control circuit of a segmented heating wire according to Embodiment 8 of the present invention;

[0035] Fig.17 A circuit diagram of a control module of a control circuit for a segmented heating wire according to Embodiment 8 of the present invention;

[0036] Fig.18 A circuit diagram of a power supply unit of a control circuit of a segmented heating wire according to Embodiment 8 of the present invention;

[0037] Fig.19 A circuit diagram of a segmented heating module of a control circuit of a segmented heating wire according to Embodiment 8 of the present invention;

[0038] Fig. 20 This is a circuit diagram of a display module of a control circuit for a segmented heating wire according to Example 8 of the present invention.

[0039] Component description in the legend: 10-main heating part; 11-heating plate; 12-first pin; 13-second pin; 20-secondary heating part; 30-sub-heating part; 31-second heating plate; 32-third pin; 33-fourth pin; 40-control module; 41-MCU; 42-microphone; 43-first filter module; 44-burning program; 45-button; 46-LED control circuit connection end; 47-segmented heating module connection end; 50-power supply unit; 51-charging seat; 52-voltage detection module; 53-charging IC; 54-power supply; 55-charging current regulation module; 56-second filter module; 57-third filter module; 60-segmented heating module; 61-current limiting circuit; 62-amplification circuit; 63-heating area; 611-current limiting resistor; 621-MOS tube; 63-heating area; 631-heating wire; 70-display module; 71-display screen; 72-LED control circuit. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Example 1

[0042] Please see Figure 1-2 In one embodiment of the present invention, a segmented heating wire is disclosed, including a main heating part 10, the main heating part 10 includes a heating sheet 11, a first pin 12 and a second pin 13, the first pin 12 and the second pin 13 are respectively connected to a secondary heating part 20, the secondary heating part 20 connected to the first pin 12 and the secondary heating part 20 connected to the second pin 13 are insulated, each secondary heating part 20 is composed of a sub-heating part 30, and the sub-heating part 30 includes a second heating sheet 31, a third pin 32 and a fourth pin 33.

[0043] The first pin 12 is connected to the third pin 32 in one of the sub-heating parts 30, and then connected to the positive pole of the power supply; the second pin 13 is connected to the third pin 32 in another sub-heating part 30, and then connected to the positive pole of the power supply, and the remaining two fourth pins 33 are connected to the negative pole of the power supply. This structure is suitable for use in electronic cigarettes with a small amount of smoke oil. According to needs, up to three heating parts that can heat separately or simultaneously can be set up.

[0044] In one of the electronic cigarettes with a 6ml e-liquid capacity and the above-mentioned heating wire, the number of puffs is set to 550, of which the 1st to 280th puffs work for the main heating part 10, the 281st to 415th puffs work for one of the sub-heating parts 30, and the 416th to 550th puffs work for the other sub-heating part 30.

[0045] In one of the electronic cigarettes with a 6 ml e-liquid capacity and the heating wire, the number of puffs is set to 550, of which the 1st to 280th puffs are for the main heating part 10 to work, and the 281st to 550th puffs are for the two sub-heating parts 30 to work simultaneously.

[0046] In one of the electronic cigarettes with a 6 ml e-liquid capacity and the heating wire, the number of puffs is set to 550, of which the 1st to 140th puffs work for the main heating part 10, the 141st to 275th puffs work for one of the sub-heating parts 30, the 276th to 415th puffs work for the main heating part 10, and the 416th to 550th puffs work for another sub-heating part 30

[0047] In one of the electronic cigarettes with a 6 ml e-liquid capacity and the heating wire, the number of puffs is set to 550, wherein the 1st to 135th puffs are for one of the sub-heating parts 30 to work, the 136th to 270th puffs are for another sub-heating part 30 to work, and the 271st to 550th puffs are for the main heating part 10 to work.

[0048] In one of the electronic cigarettes with an oil capacity of 6 ml and the above-mentioned heating wire, the number of puffs is set to 550, among which the 1st to 135th puffs work for one of the sub-heating parts 30, the 136th to 275th puffs work for the main heating part 10, the 276th to 410th puffs work for another sub-heating part 30, and the 411th to 550th puffs work for the main heating part 10.

[0049] Example 2

[0050] Please see Figure 3-4 In one embodiment of the present invention, a segmented heating wire is disclosed, including a main heating part 10, the main heating part 10 includes a heating sheet 11, a first pin 12 and a second pin 13, the first pin 12 and the second pin 13 are respectively connected to a secondary heating part 20, the secondary heating part 20 connected to the first pin 12 and the secondary heating part 20 connected to the second pin 13 are insulated, each secondary heating part 20 is composed of one or two sub-heating parts 30, and the sub-heating part 30 includes a second heating sheet 31, a third pin 32 and a fourth pin 33.

[0051] The auxiliary heating part 20 connected to the first pin 12 is composed of a sub-heating part 30, the first pin 12 is connected to the third pin 32 in the heating part 30, and then connected to the positive pole of the power supply; the auxiliary heating part 20 connected to the second pin 13 is composed of two sub-heating parts 30 in parallel, and the two sub-heating parts 30 share the third pin 32, which is connected to the second pin 13 and then connected to the positive pole of the power supply; the remaining three fourth pins 33 are all connected to the negative pole of the power supply. This structure is suitable for use in electronic cigarettes with medium oil capacity. According to needs, up to four heating parts that can heat individually or simultaneously can be set up.

[0052] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 260th puffs work for the main heating part 10, the 261st to 390th puffs work for one of the sub-heating parts 30, the 391st to 520th puffs work for another sub-heating part 30, and the 521st to 650th puffs work for the last sub-heating part 30.

[0053] In one of the electronic cigarettes with a smoke oil capacity of 8 ml and the heating wire, the number of puffs is set to 650, of which the 1st to 260th puffs are for the main heating part 10 to work, and the 261st to 650th puffs are for the three sub-heating parts 30 to work simultaneously.

[0054] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs work for the main heating part 10, the 131st to 260th puffs work for one of the sub-heating parts 30, the 261st to 390th puffs work for the main heating part 10, the 391st to 520th puffs work for another sub-heating part 30, and the 521st to 650th puffs work for the last sub-heating part 30.

[0055] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs work for one of the sub-heating parts 30, the 131st to 260th puffs work for the main heating part 10, the 261st to 390th puffs work for another sub-heating part 30, the 391st to 520th puffs work for the main heating part 10, and the 521st to 650th puffs work for the last sub-heating part 30.

[0056] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs are for one of the sub-heating parts 30 to work, the 131st to 260th puffs are for the main heating part 10 to work, the 261st to 390th puffs are for another sub-heating part 30 to work, and the 391st to 650th puffs are for the main heating part 10 and the last sub-heating part 30 to work simultaneously.

[0057] In one of the electronic cigarettes with an 8ml e-liquid capacity and the heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs are for one of the sub-heating parts 30 to work, the 131st to 390th puffs are for the other two sub-heating parts 30 to work simultaneously, and the 391st to 650th puffs are for the main heating part 10 to work.

[0058] Example 3

[0059] Please see Figure 5-6 In one embodiment of the present invention, a segmented heating wire is disclosed, including a main heating part 10, the main heating part 10 includes a heating sheet 11, a first pin 12 and a second pin 13, the first pin 12 and the second pin 13 are respectively connected to a secondary heating part 20, the secondary heating part 20 connected to the first pin 12 and the secondary heating part 20 connected to the second pin 13 are insulated, each secondary heating part 20 is composed of one or two sub-heating parts 30, and the sub-heating part 30 includes a second heating sheet 31, a third pin 32 and a fourth pin 33.

[0060] The auxiliary heating part 20 connected to the first pin 12 is composed of a sub-heating part 30. The first pin 12 is connected to the third pin 32 in the heating part 30, and then connected to the positive pole of the power supply; the auxiliary heating part 20 connected to the second pin 13 is composed of two sub-heating parts 30 in parallel, and the two sub-heating parts 30 share the third pin 32. One of the fourth pins 33 of the two sub-heating parts 30 is connected to the second pin 13, and then connected to the negative pole of the power supply; the remaining three fourth pins 33 are all connected to the negative pole of the power supply. This structure is suitable for use in electronic cigarettes with medium oil capacity. According to needs, up to four heating parts that can heat individually or simultaneously can be set up.

[0061] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 260th puffs work for the main heating part 10, the 261st to 390th puffs work for one of the sub-heating parts 30, the 391st to 520th puffs work for another sub-heating part 30, and the 521st to 650th puffs work for the last sub-heating part 30.

[0062] In one of the electronic cigarettes with a smoke oil capacity of 8 ml and the heating wire, the number of puffs is set to 650, of which the 1st to 260th puffs are for the main heating part 10 to work, and the 261st to 650th puffs are for the three sub-heating parts 30 to work simultaneously.

[0063] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs work for the main heating part 10, the 131st to 260th puffs work for one of the sub-heating parts 30, the 261st to 390th puffs work for the main heating part 10, the 391st to 520th puffs work for another sub-heating part 30, and the 521st to 650th puffs work for the last sub-heating part 30.

[0064] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs work for one of the sub-heating parts 30, the 131st to 260th puffs work for the main heating part 10, the 261st to 390th puffs work for another sub-heating part 30, the 391st to 520th puffs work for the main heating part 10, and the 521st to 650th puffs work for the last sub-heating part 30.

[0065] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs are for one of the sub-heating parts 30 to work, the 131st to 260th puffs are for the main heating part 10 to work, the 261st to 390th puffs are for another sub-heating part 30 to work, and the 391st to 650th puffs are for the main heating part 10 and the last sub-heating part 30 to work simultaneously.

[0066] In one of the electronic cigarettes with an 8ml e-liquid capacity and the heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs are for one of the sub-heating parts 30 to work, the 131st to 390th puffs are for the other two sub-heating parts 30 to work simultaneously, and the 391st to 650th puffs are for the main heating part 10 to work.

[0067] Example 4

[0068] Please see Figure 7-8 In one embodiment of the present invention, a segmented heating wire is disclosed, including a main heating part 10, the main heating part 10 includes a heating sheet 11, a first pin 12 and a second pin 13, the first pin 12 and the second pin 13 are respectively connected to a secondary heating part 20, the secondary heating part 20 connected to the first pin 12 and the secondary heating part 20 connected to the second pin 13 are insulated, each secondary heating part 20 is composed of one or two sub-heating parts 30, and the sub-heating part 30 includes a second heating sheet 31, a third pin 32 and a fourth pin 33.

[0069] The auxiliary heating part 20 connected to the first pin 12 is composed of two sub-heating parts 30 in parallel, and the two sub-heating parts 30 share the third pin 32, one of which is connected to the first pin 12 and then to the negative pole of the power supply; the auxiliary heating part 20 connected to the second pin 13 is composed of one sub-heating part 30, the first pin 12 is connected to the third pin 32 in the sub-heating part 30, and then to the positive pole of the power supply; the remaining three fourth pins 33 are all connected to the negative pole of the power supply. This structure is suitable for use in electronic cigarettes with medium oil capacity. According to needs, up to four heating parts that can heat individually or simultaneously can be set up.

[0070] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 260th puffs work for the main heating part 10, the 261st to 390th puffs work for one of the sub-heating parts 30, the 391st to 520th puffs work for another sub-heating part 30, and the 521st to 650th puffs work for the last sub-heating part 30.

[0071] In one of the electronic cigarettes with a smoke oil capacity of 8 ml and the heating wire, the number of puffs is set to 650, of which the 1st to 260th puffs are for the main heating part 10 to work, and the 261st to 650th puffs are for the three sub-heating parts 30 to work simultaneously.

[0072] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs work for the main heating part 10, the 131st to 260th puffs work for one of the sub-heating parts 30, the 261st to 390th puffs work for the main heating part 10, the 391st to 520th puffs work for another sub-heating part 30, and the 521st to 650th puffs work for the last sub-heating part 30.

[0073] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs work for one of the sub-heating parts 30, the 131st to 260th puffs work for the main heating part 10, the 261st to 390th puffs work for another sub-heating part 30, the 391st to 520th puffs work for the main heating part 10, and the 521st to 650th puffs work for the last sub-heating part 30.

[0074] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs are for one of the sub-heating parts 30 to work, the 131st to 260th puffs are for the main heating part 10 to work, the 261st to 390th puffs are for another sub-heating part 30 to work, and the 391st to 650th puffs are for the main heating part 10 and the last sub-heating part 30 to work simultaneously.

[0075] In one of the electronic cigarettes with an 8ml e-liquid capacity and the heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs are for one of the sub-heating parts 30 to work, the 131st to 390th puffs are for the other two sub-heating parts 30 to work simultaneously, and the 391st to 650th puffs are for the main heating part 10 to work.

[0076] Example 5

[0077] Please see Figure 9-10 In one embodiment of the present invention, a segmented heating wire is disclosed, including a main heating part 10, the main heating part 10 includes a heating sheet 11, a first pin 12 and a second pin 13, the first pin 12 and the second pin 13 are respectively connected to a secondary heating part 20, the secondary heating part 20 connected to the first pin 12 and the secondary heating part 20 connected to the second pin 13 are insulated, each secondary heating part 20 is composed of one or two sub-heating parts 30, and the sub-heating part 30 includes a second heating sheet 31, a third pin 32 and a fourth pin 33.

[0078] The auxiliary heating part 20 connected to the first pin 12 is composed of two sub-heating parts 30 in parallel. The two sub-heating parts 30 share a third pin 32. The shared third pin 32 is connected to the first pin 12 and then connected to the positive pole of the power supply. The second pin 13 is composed of a sub-heating part 30. The second pin 13 is connected to the third pin 32 in the heating part 30 and then connected to the positive pole of the power supply. The remaining three fourth pins 33 are all connected to the negative pole of the power supply. This structure is suitable for use in electronic cigarettes with medium oil capacity. According to needs, up to four heating parts that can heat individually or simultaneously can be set up.

[0079] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 260th puffs work for the main heating part 10, the 261st to 390th puffs work for one of the sub-heating parts 30, the 391st to 520th puffs work for another sub-heating part 30, and the 521st to 650th puffs work for the last sub-heating part 30.

[0080] In one of the electronic cigarettes with a smoke oil capacity of 8 ml and the heating wire, the number of puffs is set to 650, of which the 1st to 260th puffs are for the main heating part 10 to work, and the 261st to 650th puffs are for the three sub-heating parts 30 to work simultaneously.

[0081] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs work for the main heating part 10, the 131st to 260th puffs work for one of the sub-heating parts 30, the 261st to 390th puffs work for the main heating part 10, the 391st to 520th puffs work for another sub-heating part 30, and the 521st to 650th puffs work for the last sub-heating part 30.

[0082] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs work for one of the sub-heating parts 30, the 131st to 260th puffs work for the main heating part 10, the 261st to 390th puffs work for another sub-heating part 30, the 391st to 520th puffs work for the main heating part 10, and the 521st to 650th puffs work for the last sub-heating part 30.

[0083] In one of the electronic cigarettes with an e-liquid capacity of 8 ml and the above-mentioned heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs are for one of the sub-heating parts 30 to work, the 131st to 260th puffs are for the main heating part 10 to work, the 261st to 390th puffs are for another sub-heating part 30 to work, and the 391st to 650th puffs are for the main heating part 10 and the last sub-heating part 30 to work simultaneously.

[0084] In one of the electronic cigarettes with an 8ml e-liquid capacity and the heating wire, the number of puffs is set to 650, of which the 1st to 130th puffs are for one of the sub-heating parts 30 to work, the 131st to 390th puffs are for the other two sub-heating parts 30 to work simultaneously, and the 391st to 650th puffs are for the main heating part 10 to work.

[0085] Example 6

[0086] Please see Figure 11-12 In one embodiment of the present invention, a segmented heating wire is disclosed, including a main heating part 10, the main heating part 10 includes a heating sheet 11, a first pin 12 and a second pin 13, the first pin 12 and the second pin 13 are respectively connected to a secondary heating part 20, the secondary heating part 20 connected to the first pin 12 and the secondary heating part 20 connected to the second pin 13 are insulated, each secondary heating part 20 is composed of a plurality of sub-heating parts 30 arranged in parallel, and the sub-heating part 30 includes a second heating sheet 31, a third pin 32 and a fourth pin 33.

[0087] The auxiliary heating part 20 connected to the first pin 12 is composed of two sub-heating parts 30 in parallel, the two sub-heating parts 30 share the third pin 32 and are connected to the positive pole of the power supply, one of the fourth pins 33 is connected to the first pin 12 and then connected to the negative pole of the power supply, and the other fourth pin 33 is connected to the negative pole of the power supply; the auxiliary heating part 20 connected to the second pin 13 is composed of two sub-heating parts 30 in parallel, the two sub-heating parts 30 share the third pin 32 and are connected to the negative pole of the power supply, one of the fourth pins 33 is connected to the second pin 13 and then connected to the positive pole of the power supply, and the other fourth pin 33 is connected to the positive pole of the power supply. This structure is suitable for use in electronic cigarettes with a large capacity of smoke oil. According to needs, up to five heating parts that can heat individually or simultaneously can be set up.

[0088] In one of the electronic cigarettes with a 10 ml e-liquid capacity and the above-mentioned heating wire, the number of puffs is set to 800, of which the 1st to 400th puffs work for the main heating portion 10, the 401st to 500th puffs work for one of the sub-heating portions 30, the 501st to 600th puffs work for another sub-heating portion 30, the 601st to 700th puffs work for the third sub-heating portion 30, and the 701st to 800th puffs work for the fourth sub-heating portion 30.

[0089] In one of the electronic cigarettes with a 10 ml e-liquid capacity and the heating wire, the number of puffs is set to 800, of which the 1st to 400th puffs are for the main heating part 10 to work, and the 401st to 800th puffs are for the four sub-heating parts 30 to work simultaneously.

[0090] In one of the electronic cigarettes with a 10ml e-liquid capacity and the above-mentioned heating wire, the number of puffs is set to 800, among which the 1st to 100th puffs work for the main heating part 10, the 101st to 200th puffs work for one of the sub-heating parts 30, the 201st to 300th puffs work for the main heating part 10, the 301st to 400th puffs work for another sub-heating part 30, the 401st to 500th puffs work for the main heating part 10, the 501st to 600th puffs work for the third sub-heating part 30, the 601st to 700th puffs work for the main heating part 10, and the 701st to 800th puffs work for the fourth sub-heating part 30.

[0091] In one of the electronic cigarettes with a 10ml e-liquid capacity and the above-mentioned heating wire, the number of puffs is set to 800, among which the 1st to 100th puffs work for one of the sub-heating parts 30, the 101st to 200th puffs work for the main heating part 10, the 201st to 300th puffs work for another sub-heating part 30, the 301st to 400th puffs work for the main heating part 10, the 401st to 500th puffs work for the third sub-heating part 30, the 501st to 600th puffs work for the main heating part 10, the 601st to 700th puffs work for the fourth sub-heating part 30, and the 701st to 800th puffs work for the main heating part 10.

[0092] In one of the electronic cigarettes with a 10ml e-liquid capacity and the above-mentioned heating wire, the number of puffs is set to 800, among which the 1st to 100th puffs are for one of the sub-heating parts 30 to work, the 101st to 200th puffs are for the main heating part 10 to work, the 201st to 300th puffs are for another sub-heating part 30 to work, the 301st to 400th puffs are for the main heating part 10 to work, the 401st to 500th puffs are for the third sub-heating part 30 to work, the 501st to 600th puffs are for the main heating part 10 to work, and the 601st to 800th puffs are for the main heating part 10 and the fourth sub-heating part 30 to work simultaneously.

[0093] In one of the electronic cigarettes with a 10 ml e-liquid capacity and the heating wire, the number of puffs is set to 800, of which puffs 1 to 200 are for two sub-heating parts 30 to work simultaneously, puffs 201 to 400 are for the main heating part 10 to work, puffs 401 to 600 are for another two sub-heating parts 30 to work simultaneously, and puffs 601 to 800 are for the main heating part 10 to work.

[0094] Example 7

[0095] Please see Figure 13-14 In one embodiment of the present invention, a segmented heating wire is disclosed, including a main heating part 10, the main heating part 10 includes a heating sheet 11, a first pin 12 and a second pin 13, the first pin 12 and the second pin 13 are respectively connected to a secondary heating part 20, the secondary heating part 20 connected to the first pin 12 and the secondary heating part 20 connected to the second pin 13 are insulated, each secondary heating part 20 is composed of a plurality of sub-heating parts 30 arranged in parallel, and the sub-heating part 30 includes a second heating sheet 31, a third pin 32 and a fourth pin 33.

[0096] The auxiliary heating part 20 connected to the first pin 12 is composed of two sub-heating parts 30 in parallel, and the two sub-heating parts 30 share a third pin 32, which is connected to the second pin 12 and then connected to the positive pole of the power supply, and the remaining two fourth pins 33 are connected to the negative pole of the power supply; the auxiliary heating part 20 connected to the second pin 13 is composed of two sub-heating parts 30 in parallel, and the two sub-heating parts 30 share a third pin 32, which is connected to the second pin 13 and then connected to the negative pole of the power supply, and the remaining two fourth pins 33 are connected to the positive pole of the power supply. This structure is suitable for use in electronic cigarettes with a large capacity of smoke oil. According to needs, up to five heating parts that can heat individually or simultaneously can be set up.

[0097] In one of the electronic cigarettes with a 10 ml e-liquid capacity and the above-mentioned heating wire, the number of puffs is set to 800, of which the 1st to 400th puffs work for the main heating portion 10, the 401st to 500th puffs work for one of the sub-heating portions 30, the 501st to 600th puffs work for another sub-heating portion 30, the 601st to 700th puffs work for the third sub-heating portion 30, and the 701st to 800th puffs work for the fourth sub-heating portion 30.

[0098] In one of the electronic cigarettes with a 10 ml e-liquid capacity and the heating wire, the number of puffs is set to 800, of which the 1st to 400th puffs are for the main heating part 10 to work, and the 401st to 800th puffs are for the four sub-heating parts 30 to work simultaneously.

[0099] In one of the electronic cigarettes with a 10ml e-liquid capacity and the above-mentioned heating wire, the number of puffs is set to 800, among which the 1st to 100th puffs work for the main heating part 10, the 101st to 200th puffs work for one of the sub-heating parts 30, the 201st to 300th puffs work for the main heating part 10, the 301st to 400th puffs work for another sub-heating part 30, the 401st to 500th puffs work for the main heating part 10, the 501st to 600th puffs work for the third sub-heating part 30, the 601st to 700th puffs work for the main heating part 10, and the 701st to 800th puffs work for the fourth sub-heating part 30.

[0100] In one of the electronic cigarettes with a 10ml e-liquid capacity and the above-mentioned heating wire, the number of puffs is set to 800, among which the 1st to 100th puffs work for one of the sub-heating parts 30, the 101st to 200th puffs work for the main heating part 10, the 201st to 300th puffs work for another sub-heating part 30, the 301st to 400th puffs work for the main heating part 10, the 401st to 500th puffs work for the third sub-heating part 30, the 501st to 600th puffs work for the main heating part 10, the 601st to 700th puffs work for the fourth sub-heating part 30, and the 701st to 800th puffs work for the main heating part 10.

[0101] In one of the electronic cigarettes with a 10ml e-liquid capacity and the above-mentioned heating wire, the number of puffs is set to 800, among which the 1st to 100th puffs are for one of the sub-heating parts 30 to work, the 101st to 200th puffs are for the main heating part 10 to work, the 201st to 300th puffs are for another sub-heating part 30 to work, the 301st to 400th puffs are for the main heating part 10 to work, the 401st to 500th puffs are for the third sub-heating part 30 to work, the 501st to 600th puffs are for the main heating part 10 to work, and the 601st to 800th puffs are for the main heating part 10 and the fourth sub-heating part 30 to work simultaneously.

[0102] In one of the electronic cigarettes with a 10 ml e-liquid capacity and the heating wire, the number of puffs is set to 800, of which puffs 1 to 200 are for two sub-heating parts 30 to work simultaneously, puffs 201 to 400 are for the main heating part 10 to work, puffs 401 to 600 are for another two sub-heating parts 30 to work simultaneously, and puffs 601 to 800 are for the main heating part 10 to work.

[0103] Example 8

[0104] Please see Figure 15-20 In one embodiment of the present invention, a control circuit of a segmented heating wire is disclosed, including a control module 40, which is electrically connected to the power supply unit, the segmented heating module 50 and the display module 60, respectively, and is used to control multiple heating zones to emit heat in sequence, alternately or simultaneously to heat the e-cigarette oil, and send a display signal to the display module according to a preset segmented heating strategy; the power supply unit 40 is used to supply power to the segmented heating module 50, the display module 60 and the control module 70; the segmented heating module 50 includes multiple heating zones for forming independent heating zones, and the multiple heating zones emit heat in sequence, alternately or simultaneously to heat the e-cigarette oil; the display module 60 is used to independently indicate the working status of a heating zone, display the corresponding number of puffs, and light up the corresponding heating wire of the heating zone through an LED when it is working.

[0105] The control module 40 includes an MCU 41, on which a microphone 42, a first filter module 43, a burning program 44, a button 45, an LED control circuit connection terminal 46 and a segmented heating module connection terminal 47 are arranged in parallel. The MCU 41 controls the microphone 42, the first filter module 43, the burning program 44, the switch module 45, the LED control circuit connection terminal 46 and the segmented heating module connection terminal 47 to work; the MCU 41 is provided with a P1.4 / INT1 / PWM2 / PDA terminal, a P1.3 / RST / INT1 / VPP terminal, a P5.1 / PWM3 / PWM3H1 terminal, a P5.0 / PWM2 / PWM3L1 terminal, a P1.1 terminal, a P1.6 terminal, a P1.0 terminal, a P3.5 terminal, a P3.0 / INT1 / AINO / VERF terminal, a P3.1 / INT1 / AIN1 terminal, a P3.2 / INT1 / CCS / A terminal IN2 terminal, P3.3 / CON / AIN3 terminal, P1.5 / PWM2 / SWD terminal, VDD terminal, VSS terminal, P3.4 terminal and second GND terminal, the P1.3 / RST / INT1 / VPP terminal is connected in parallel between resistor R9 and resistor R10, the P5.1 / PWM3 / PWM3H1 terminal is connected to the switch module 45, the VSS terminal and the second GND terminal are grounded, the P3.4 terminal is connected to the microphone 42, the VDD terminal is connected to the first filter module 43 and then connected to the positive electrode of the power supply 54, which is used to filter out high-frequency interference signals, reduce the AC resistance of the power supply, and provide a stable output voltage for the MCU41, the P1.3 / RST / INT1 / VPP terminal and the P1.4 / INT1 / PWM2 / PDA terminal are both connected to the burning program 44, and the P1.5 / PWM2 / SWD terminal is connected to the CHARGE terminal on the charging IC53.

[0106] The power supply unit 50 includes a charging seat 51, a voltage detection module 52, a charging IC53, a power supply 54 and a charging current regulating module 55. The charging seat module 51 is connected in parallel to both ends of the power supply 54, and the charging IC53 is connected in series with the power supply 54 and the MCU41 in the control module 40 in sequence. The charging seat 51 is provided with a G1 terminal, a G2 terminal, a G3 terminal, a G4 terminal, a GND4 terminal, a VBUS4 terminal, a CC1 terminal, a CC2 terminal, a VBUS2 terminal and a GND2 terminal. The G1 terminal, the G2 terminal, the G3 terminal and the G4 terminal are connected in parallel and then grounded, the GND4 terminal and the GND2 terminal are connected in parallel and then grounded, the CC1 terminal and the CC2 terminal are connected in series with a resistor R7 and a resistor R8 respectively and then grounded, and the resistor R7 and the resistor R8 are both protocol resistors, which are convenient for converting the interfaces between charging cables with different interfaces at both ends. For example, a charging cable with a USB interface at one end and a Type-c interface at the other end can be switched through resistors R7 and R8 to achieve smooth charging. The charging IC 53 is provided with a CHARGE terminal, a first GND terminal, a BAT terminal, a VCC terminal and a PROG terminal. The BAT terminal is connected to the positive electrode of the power supply 54, and a second filter module 56 is provided between the BAT terminal and the positive electrode, which is used to filter out high-frequency interference signals, reduce the AC resistance of the power supply, and provide a stable output voltage for the charging IC 53. The first GND terminal is grounded, and the PROG terminal is connected to the charging current regulating module 55 and then grounded. The charging current regulating module 55 is provided with a regulating resistor R20. When the PROG terminal detects that the resistance value of the resistor R20 changes, the charging current is automatically adjusted to provide a stable current for the battery during charging. The VBUS2 terminal and the VBUS4 terminal are connected in parallel and then connected to the VCC terminal. The battery voltage detection circuit 52 is connected in parallel to the VCC terminal of the charging IC53. The battery voltage detection circuit 52 is provided with resistors R9 and R10. The design of the battery voltage detection circuit 52 is used to determine the charging state of the battery voltage. For example, when the battery charge is between 1% and 90%, it is displayed in the form of 10% increments, specifically 10%, 20%, 30% ... 90%. After 90%, it is displayed in the form of 9% increments, specifically, after being fully charged, it is displayed as 99%, which is judged to be fully charged. The VCC terminal of the charging IC53 is also provided with a third filter module 57 in parallel, which is used to filter out high-frequency interference signals, reduce the AC resistance of the power supply, and provide a stable output voltage for the battery voltage detection circuit 52 and the charging seat 51.

[0107] The segmented heating module 60 includes a current limiting circuit 61, an amplifying circuit 62 and a heating zone 63. The current limiting circuit 61 is provided with a current limiting resistor 611, and the amplifying circuit 62 is provided with a MOS tube 621. The current limiting circuit 61 and the amplifying circuit 62 constitute a voltage stabilizing circuit. The heating zone 63 is formed by a plurality of heating wires 631 connected in parallel. The current limiting resistor 611, the MOS tube 621 and one of the heating wires 631 are connected in series with the MCU41 in the control module 40 in sequence. The MOS tube 621 includes an S terminal, a D terminal and a G terminal. The G terminal is connected to one end of the current limiting resistor 611 and then connected to the P5.0 / PWM2 / PWM3L1 terminal on the MCU41. The S terminal is connected to the other end of the current limiting resistor 611 in parallel with a resistor R18. The P3.2 / INT1 / CCS / AIN2 terminal and the P3.3 / CON / AIN3 terminal on the MCU41 are connected in parallel and then connected to the D terminal. A number of heating wires 631 are connected in parallel between the P3.2 / INT1 / CCS / AIN2 terminal and the D terminal. When the current limiting resistor 611 senses a voltage, the G terminal is closed and the heating wire 631 starts to work. The resistor R18 is a bias resistor. The use of the bias resistor ensures that the segmented heating module 60 does not delay the operation to maintain the fastest response time for the heating wire 631 to start working.

[0108] The display module 70 includes a display screen 71, and a plurality of LED control circuits 72 are provided on the display screen 71, including a P1.1_LED1 terminal, a P1.6_LED2 terminal, a P1.0_LED3 terminal, a P3.5_LED4 terminal, a P3.0_LED5 terminal, and a P3.1_LED6 terminal, wherein the P1.1_LED1 terminal, the P1.6_LED2 terminal, the P1.0_LED3 terminal, the P3.5_LED4 terminal, the P3.0_LED5 terminal, and the P3.1_LED6 terminal are respectively connected in series. Resistor R1, resistor R2, resistor R3, resistor R4, resistor R5 and resistor R6, the P1.1_LED1 terminal, P1.6_LED2 terminal, P1.0_LED3 terminal and P3.5_LED4 terminal are respectively connected to the P1.1 terminal, P1.6 terminal, P1.0 terminal and P3.5 terminal of MCU41, and the P3.0_LED5 terminal and P3.1_LED6 terminal are respectively connected to the P3.0 / INT1 / AINO / VERF terminal and P3.1 / INT1 / AIN1 terminal of MCU41. The resistor R1, resistor R2, resistor R3, resistor R4, resistor R5 and resistor R6 are all current limiting resistors, which are used to prevent the high input voltage from burning out the LED lamp.

[0109] The above detailed description is a specific description of a feasible embodiment of the present invention, but the embodiment is not used to limit the patent scope of the present invention. Any equivalent implementation or modification that does not deviate from the technical spirit of the present invention should be included in the patent scope of this case.

Claims

1. A segmented heating wire, comprising at least one main heating portion (10), characterized in that: The main heating part (10) comprises a heating sheet (11), a first pin (12) and a second pin (13); the first pin (12) and the second pin (13) are respectively connected to a plurality of auxiliary heating parts (20); the auxiliary heating part (20) connected to the first pin (12) and the auxiliary heating part (20) connected to the second pin (13) are insulated; each auxiliary heating part (20) is composed of a plurality of sub-heating parts (30) arranged in parallel; the sub-heating parts (30) comprise a second heating sheet (31), a third pin (32) and a fourth pin (33); at least one pin of the parallel sub-heating parts (30) is connected to one of the pins of the main heating part (10).

2. The segmented heating wire according to claim 1, characterized in that: The first pin (12) is connected to an auxiliary heating part (20), the auxiliary heating part (20) is composed of a sub-heating part (30), one of the pins in the sub-heating part (30), the third pin (32) or the fourth pin (33) is connected to the first pin (12); the second pin (13) is connected to an auxiliary heating part (20), the auxiliary heating part (20) is composed of a sub-heating part (30), one of the pins in the sub-heating part (30), the third pin (32) or the fourth pin (33) is connected to the second pin (13).

3. The segmented heating wire according to claim 1, characterized in that: The first pin (12) is connected to an auxiliary heating part (20), the auxiliary heating part (20) is composed of two sub-heating parts (30) arranged in parallel, at least one pin of the two sub-heating parts (30) is connected to the first pin (12), and at least two pins are connected or shared; the second pin (13) is connected to an auxiliary heating part (20), the auxiliary heating part (20) is composed of a sub-heating part (30), and one of the pins of the sub-heating part (30), the third pin (32) or the fourth pin (33) is connected to the second pin (13).

4. The segmented heating wire according to claim 1, characterized in that: The first pin (12) is connected to an auxiliary heating part (20), the auxiliary heating part (20) is composed of a sub-heating part (30), one of the pins in the sub-heating part (30), the third pin (32) or the fourth pin (33) is connected to the first pin (12); the second pin (13) is connected to an auxiliary heating part (20), the auxiliary heating part (20) is composed of two sub-heating parts (30) arranged in parallel, at least one pin in the two sub-heating parts (30) is connected to the second pin (13), and at least two pins are connected or shared.

5. The segmented heating wire according to claim 1, characterized in that: The first pin (12) is connected to an auxiliary heating part (20), the auxiliary heating part (20) is composed of two sub-heating parts (30) arranged in parallel, at least one pin of the two sub-heating parts (30) is connected to the first pin (12), and at least two pins are connected or shared; the second pin (13) is connected to an auxiliary heating part (20), the auxiliary heating part (20) is composed of two sub-heating parts (30) arranged in parallel, at least one pin of the two sub-heating parts (30) is connected to the second pin (13), and at least two pins are connected or shared.

6. A control circuit for a segmented heating wire, characterized in that: The electronic cigarette comprises a control module (40), a power supply unit (50), a segmented heating module (60) and a display module (70); the control module (40) is electrically connected to the power supply unit (50), the segmented heating module (60) and the display module (70) respectively, and is used to control a plurality of heating zones to emit heat in sequence, alternately or simultaneously to heat the e-liquid in the electronic cigarette, and to send a display signal to the display module according to a preset segmented heating strategy; the power supply unit (50) is used to supply power to the control module (40), the segmented heating module (60) and the display module (70); the segmented heating module (60) comprises a plurality of heating zones that are used to form independent heating zones, and the plurality of heating zones emit heat in sequence, alternately or simultaneously to heat the e-liquid in the electronic cigarette; the display module (70) is used to independently indicate the working state of a heating zone, display the corresponding number of puffs, and light up a prompt when the corresponding heating wire is working.

7. The control circuit of the segmented heating wire according to claim 6, characterized in that: The control module (40) comprises an MCU (41), on which a microphone (42), a first filtering module (43), a burning program (44), a button (45), an LED control circuit connection end (46) and a segmented heating module connection end (47) are arranged in parallel, and the MCU (41) controls the microphone (42), the first filtering module (43), the burning program (44), the switch module (45), the LED control circuit connection end (46) and the segmented heating module connection end (47) to work.

8. The control circuit of the segmented heating wire according to claim 6, characterized in that: The power supply unit (50) comprises a charging seat (51), a voltage detection module (52), a charging IC (53), a power supply (54) and a charging current regulation module (55); the charging seat module (51) is connected in parallel to both ends of the power supply (54); the charging IC (53) is connected in series with the power supply (54) and the MCU (41) in the control module (40) in sequence; and the battery voltage detection circuit (52) and the charging current regulation module (55) are respectively connected in parallel to both ends of the charging IC (53).

9. The control circuit of the segmented heating wire according to claim 6, characterized in that: The segmented heating module (60) comprises a current limiting circuit (61), an amplifying circuit (62) and a heating zone (63); the current limiting circuit (61) is provided with a current limiting resistor (611); the amplifying circuit (62) is provided with a MOS tube (621); the current limiting circuit (61) and the amplifying circuit (62) constitute a voltage stabilizing circuit; the heating zone (63) is formed by a plurality of heating wires (631) connected in parallel; the current limiting resistor (611), the MOS tube (621) and one of the heating wires (631) are sequentially connected in series with the MCU (41) in the control module (40).

10. The control circuit of the segmented heating wire according to claim 6, characterized in that: The display module (70) comprises a display screen (71), on which a plurality of LED control circuits (72) are arranged, and the plurality of LED control circuits (72) are respectively electrically connected to corresponding connection ends of the LED control circuit connection end (46).

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